A force of 10N acts on a body of mass 2kg. If the body was initially at rest, calculate the velocity acquired by it in 5s. [Answer: 25m/s]​


if someone give me right answer I give them mark as brainlist

Answer:

3 m/s/s

Explanation:

Use Netwon's law of motion F=ma; F=Force; m=mass; a=acceleration

solve for a by dividing both sides by the mass

a=F/m

1500 N/500 kg :(N=kg-m/s/s)

3 m/s/s

Answer:

It's (c). ..........................

A long answer to the given question is as follows:A uniform magnetic field fills all the space pointing in the z direction with a strength of B = Bo 2.

There is a positive charge which is stationary and placed at the origin. When the magnetic field is turned off, an electric field is induced. The direction in which the charge moves can be determined by using Fleming's right-hand rule. The rule states that when the thumb, index finger, and middle finger of the right hand are all mutually perpendicular, then the thumb points in the direction of the force (F), the index finger points in the direction of the magnetic field (B), and the middle finger points in the direction of the motion (v)

According to the given problem statement, the magnetic field is turned off, and an electric field is induced. Due to this electric field, the positive charge will experience an electric force which is perpendicular to the magnetic field. Now, according to the Fleming's right-hand rule, the electric force will be in the direction of the thumb. Therefore, the charge will move in the direction of the electric force, which is perpendicular to the magnetic field, i.e., in the xy-plane.

To know more about electric field visit:-

https://brainly.com/question/11482745

#SPJ11

Answer:

40sec

Explanation:

Data

Work = 440 J

Power= 11watt

time = ?

Power = work done/time

===> time = work done/power

= 440/11

= 40sec

The American Apollo 11 landed the first man on the moon on July 20, 1969.

A lunar landing occurs when a spacecraft reaches the surface of the Moon. This includes manned and robotic missions. On September 13, 1959, the first man-made object to touch the Moon was the Soviet Luna 2. The American Apollo 11 landed the first man on the moon on July 20, 1969. There are six U crew members.

There were landings in the south between 1969 and 1972, as well as multiple bulk landings, with no soft landing between August 22, 1976 and December 14, 2013.

The United States is the only country to have successfully to land a man on the moon, the last time he left the lunar surface in December 1972. All soft landings occurred on the near side of the Moon until January 3, 2019, when the Chinese spacecraft Chang'e-4 has landed on the far side for the first time.

The following countries and entities have performed missions to the Moon (in chronological order): Soviet Union, United States, Japan, European Space Agency, China, India, Luxembourg, Israel, Italy, South Korea, and United Arab Emirates. Five spacecraft that did not specifically study the Moon also visited the Moon; four spacecraft flew over it for gravity assistance, and the Explorer 49 radio telescope was placed in a Moon-centered orbit to use the Moon to block ground-based radio sources.

Learn more about Apollo 11:

https://brainly.com/question/27882157

#SPJ4

Answer:

24 Coulumbs

Explanation:

Given data

time= 1 minute= 6 seconds

P=2 W

R= 12 ohm

We know that

P= I^2R

P/R= I^2

2/12= I^2

I^2= 0.166

I= √0.166

I= 0.4 amps

We know also that

Q= It

substitute

Q= 0.4*60

Q= 24 Columbs

Hence the charge is 24 Coulumbs

Answer:

30C

Explanation:

its basically how the other guy did it but he worked it out with 2W instead of 3W so he got it wrong so its 30C and not 24C

The size of the breaker for a 120 volt water heater depends on the wattage of the heater and the amperage required to power it, typically a 15-amp breaker is used for a 1500W water heater.

To determine the correct breaker size, you need to divide the wattage of the heater by the voltage it operates on (120V) to get the amperage required.

For example, if your water heater has a wattage of 1500W, the amperage required would be:

Amperage = Wattage / Voltage

        = 1500W / 120V

        = 12.5A

In this case, you would need a 15-amp breaker to safely power the water heater.

It's important to choose a breaker that is rated for the amperage required by the water heater to prevent electrical overloading and potential damage to the wiring or electrical system.

It's always a good idea to consult with a licensed electrician to ensure that the breaker and wiring are installed correctly and meet local building codes and safety requirements.

Learn more about breaker

brainly.com/question/30795854

#SPJ11

As a birdwatcher visiting the desert southwest, the bird I am most likely to find is the ferruginous pygmy owl.

These owls are well-adapted to the arid desert environment and are often found nesting in saguaro cacti. Their small size and camouflage make them difficult to spot, but their distinctive call and active hunting behavior make them a sought-after sighting. The ferruginous pygmy owl primarily feeds on insects, which are abundant in the desert ecosystem, making it well-suited to this habitat.

While the bay-breasted warbler, orchard oriole, and American dipper are fascinating birds, they are not commonly found in the desert southwest. The bay-breasted warbler is typically found in coniferous forests and feeds on larvae found in trees. The orchard oriole prefers scrubby or open wooded areas, where it builds its hanging nest. The American dipper, on the other hand, is known for its unique adaptation to fast-flowing, rocky streams and feeds on insects found in these aquatic environments.

Therefore, if I were a birdwatcher in the desert southwest, my best bet for an exciting sighting would be the ferruginous pygmy owl, as it is well-suited to the arid conditions and can be found nesting in saguaro cacti.

To learn more about Desert from the given link

https://brainly.com/question/30250627

#SPJ4

There is a disk rotating around an axis, and on this disk, there are two points labeled as "a" and "b." Point "a" is located three times farther from the axis compared to point "b."

Let's assume that the distance of point b from the axis is "r" units. Since point a is three times as far from the axis as point b, the distance of point a from the axis is 3r units.

The speed of a point on a rotating disk is determined by its distance from the axis and the angular velocity of the disk. In this case, the angular velocity is the same for both points a and b, as they are on the same rotating disk.

The formula that relates the speed (v) of a point on a rotating disk to its distance from the axis (r) and the angular velocity (ω) is:

v = ω * r

For point b:

\(v_b = \omega \cdot r\)

For point a:

\(v_a = \omega \cdot (3r)\)

Since the angular velocity (ω) is the same for both points, we can express it as a common factor:

\(v_a = 3 * v_b\)

Therefore, the speed of point a is three times the speed of point b.

To know more about the rotating disk refer here :

https://brainly.com/question/28393593#

#SPJ11

Answer:

A siphon is a tube that allows liquid to travel upward, above the surface of the origin reservoir, then downwards to a lower level without using a pump. When a certain amount of water moves over the bend in the siphon, gravity pulls it down on the longer leg lowers the atmospheric pressure in the bend of the siphon.

Mark me as brainlest, please?

Explanation:

The repulsion force between the two Arkon nuclei when the distance between them is 1x10⁻³μm is approximately 7.4x10⁻¹⁴N. The correct option is d. 7.4x10⁻¹⁴N.

The formula for repulsion force between two Arkon nuclei when the distance between them is given by Coulomb's law. Coulomb's law states that the force between two point charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them. Mathematically, the law can be expressed as F=kq1q2/r²,

Where F is the force, q1 and q2 are the charges, r is the distance between the charges, and k is the Coulomb's constant.The electric charge of one electron is 1.6x10⁻¹⁹C.

Therefore, the charge of the Arkon nucleus with 18 protons = 18(1.6x10⁻¹⁹) C = 2.88x10⁻₈⁸ CThe force between the two Arkon nuclei can be calculated using the formula above.

F=kq1q2/r²

Substituting the values we have;F = (9x10⁹)(2.88x10⁻¹⁸ C)2/(1x10⁻³ m)2F ≈ 7.4x10⁻¹⁴ N. Therefore, the repulsion force between the two Arkon nuclei when the distance between them is 1x10-3μm is approximately 7.4x10⁻¹⁴N. The correct option is d. 7.4x10⁻¹⁴N.

Learn more about repulsion force:

https://brainly.com/question/28439369

#SPJ11

Answer:

2 A

Explanation:

Kirchhoff Laws to the circuit consisting more than two batteries, the current leaving the battery is as same as entering the battery

electronicsstackexchangecom

A diver jumps off a diving platform. The following does not explain why the diver accelerates as they fall is i. the momentum of the earth/diver system is conserved.

The second law of motion of Newton, the gravitational force acting on the diver is responsible for the acceleration. The acceleration due to gravity is given by the formula a= 9.8 m/s^2. This means that every second, the velocity of the diver is increasing by 9.8 meters per second (m/s)The correct option is i. The momentum of the earth/diver system is conserved. It is a physical law that states that the momentum of an object is always conserved if the net force applied on the object is zero. It means that momentum can only be transferred from one object to another, and it cannot be created or destroyed.

Since the diver and the earth are a part of the same system, their total momentum will be conserved before and after the dive.The gravitational force exerted by the Earth pulls the diver down, and thus, the diver accelerates towards the ground. The acceleration is due to the gravitational force. So, the option i does not explain why the diver accelerates as they fall.

Learn more about second law of motion at:

https://brainly.com/question/13447525

#SPJ11

The mass of the person is 70 kg.

Weight of person= Weight of water displaced

mg = 686

where m= mass of person

g= gravitational acceleration or gravitational constant.

m*9.8= 686

m= 686/9.8

m= 70 kg

So the final volume of the gas after both changes is 4 Liters.

Temperature is a measure of the average thermal energy of the particles in a system. It is a scalar quantity that reflects the amount of heat energy present in a substance, and it is typically measured in units of degrees Celsius (°C), Kelvin (K), or Fahrenheit (°F). Temperature is related to the kinetic energy of the particles in a system, which is the energy associated with their motion. As the temperature of a system increases, the kinetic energy of its particles also increases, leading to faster and more chaotic motion. Conversely, as the temperature decreases, the kinetic energy of the particles decreases, leading to slower and less chaotic motion.

Here,

The relationship between pressure, volume, and temperature of an ideal gas is described by the Ideal Gas Law: PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature. When the pressure is doubled, the volume will change inversely proportional to the pressure, according to Boyle's law: P1V1 = P2V2. Therefore, if the pressure is doubled, the volume will be halved:

V2 = V1 * (P1 / P2) = V1 * (1 / 2) = V1 / 2

When the temperature is doubled, the volume will change proportionally to the temperature, according to Charles' law: V1 / T1 = V2 / T2. Therefore, if the temperature is doubled, the volume will be doubled:

V2 = V1 * (T2 / T1) = V1 * (2 / 1) = 2V1

The final volume of the gas will be equal to the product of the volume after each of the changes:

Vf = V2 (pressure) * V2 (temperature) = (V1 / 2) * 2V1 = 2V1 = 2 * 2 Liters = 4 Liters

So the final volume of the gas after both changes is 4 Liters.

To know more about temperature,

brainly.com/question/12810312

#SPJ4

Answer:

the inner regions of antarctica gets only about 2 inches of precipitation per year. the winds here blow up snow from the land and put it into the atmosphere, which is part of the water cycle. and the sun helps out, too, causing sublimation to occur, which causes snow to evaporate directly into water vapor gas.

Explanation:

good luck, hope this helps :)

have a nice day !!    

The type of circuit shown in the diagram is a closed series circuit. The Option C.

The circuit diagram illustrates a closed series circuit, where the components are connected in a series, forming a single loop. In a closed series circuit, the current flows through each component in sequence, meaning that the current passing through one component is the same as the current passing through the other components.

The flow of current is uninterrupted since the circuit forms a complete loop with no breaks or open paths. Therefore, the correct answer is a closed series circuit.

Read more about circuit

brainly.com/question/9637376

#SPJ1

It is possible to suspend an object at rest from its center of gravity, and gravity won't induce it to begin rotating no matter how it is positioned.  

Thus, The center of gravity of an object will be located somewhere along a vertical line that passes through the point of suspension if you suspend it from any point and allow it to come to rest.

The gravitational acceleration is (almost) constant near the surface of the earth, where the center of mass also lies.

A place that represents the average or typical location of an object's mass, as if all of the mass were contained there, is known as the center of mass (CM). The geometric center of a uniform sphere serves as its center of mass. The barycenter is another name for the CM.

Thus, It is possible to suspend an object at rest from its center of gravity, and gravity won't induce it to begin rotating no matter how it is positioned.  

Learn more about Center of mass, refer to the link:
https://brainly.com/question/27549055

#SPJ1

The constant are a=3 and τ=4.

What are exponential functions?

The exponential function is a mathematical function of the form f(x) = ax. where "x" is a variable and "a" is a constant called the base of the function, which must be greater than 0. The most commonly used exponential base is the transcendental number e, which is approximately equal to 2.71828.

What is the formula of exponential function?

The exponential function is defined by the formula f(x) = ax. where the input variable x appears as an exponent. An exponential curve depends on the exponential function and the value of x.

The exponential function is an important mathematical function of the form:

                                       f(x) = \(a^{x}\)

Therefore, the constant a=3 and τ=4.

To know more about constant, visit:

https://brainly.com/question/27983400

#SPJ4

We will have the following:

So, the nergy is 2.3 J.

The statement is not true about a distance-versus-time graph the slope of the line represents the speed of the object. Option B.

A distance versus time graph shows how far an object has traveled over a period of time. This is a simple line chart that displays distance vs. time results in a graph. Distance is plotted on the Y-axis. Time is plotted on the x-axis. A distance-time diagram of uniform travel in one dimension means that equal distances are covered in equal time intervals.

On a graph of distance versus time, a sloping line indicates that the object is in motion. The slope or slope of the line in the displacement versus time graph corresponds to the object's velocity. body at rest. A distance versus time graph shows how far an object has traveled over a period of time. The diagram above shows a body at rest. This is because the distance does not change over time.

Learn more about The Time graph here:-https://brainly.com/question/13877898

#SPJ1

Answer:

fretillization

because when the sperm meets the egg it fertilize the egg.

The smallest sound power output of the airplane motor that can be listened to on the ground is  6.73 × 10^-6 W which has the lowest-intensity sound that is still loud and has an intensity of  10^-12 W/m^2.

The intensity of sound =  10^-12 W/m^2

Altitude =  6,500 m.

Calculate the smallest sound energy output of an aircraft motor that can be heard on the ground is done by using the formula:

I = P/(4πr^2)

Pythagoras' theorem is used for calculating the distance

d = (\(\sqrt{6500^2 + R^2}\))

I = 10^-12 W/m^2

d = \(\sqrt{6500^2 + R^2}\)

d = 6500 m

P/(4πd^2) = I

\(P/(4π(6500)^2) = 10^-12 W/m^2\)

\(P = 4π(6500)^2 × 10^-12 W\)

P = 6.73 × 10^-6 W

Therefore, we can conclude that the smallest sound power output of the aircraft engine that can be heard on the ground is  6.73 × 10^-6 W.

To learn more about the Intensity of sound

https://brainly.com/question/12937864

#SPJ4

Electromagnets consist of two main components: an iron core and an electric current.

The iron core is usually a ferromagnetic material, such as iron, steel, or nickel. An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. It consists of a coil of wire, often wrapped around a magnetic core, through which an electric current is passed. When a current is passed through the core, it creates a magnetic field. The strength of the magnetic field is determined by the amount of current passing through it. The electric current is usually provided by a power source, such as a battery or generator. By varying the amount of current, the strength of the magnetic field can be adjusted.

To learn more about Electromagnets :

https://brainly.com/question/2142904

#SPJ11

Ionic compounds give and receive electrons so that they have eight valence electrons in their outermost shell and form a stable electron configuration. They are usually formed between metals and non-metals and have high melting and boiling points due to strong electrostatic forces between oppositely charged ions.

Ionic compounds form a crystalline lattice structure. The ionic compound can have a total of 8 valence electrons in its outer shell to achieve a stable electron configuration. Ionic compounds usually exist as solids in their natural state and have high melting points. Sodium Chloride (NaCl) is an example of an ionic compound. They typically dissolve in polar solvents, and their properties are mainly determined by the ratio of the positively and negatively charged ions in the crystal structure. Most ionic compounds are soluble in water and can conduct electricity when melted or dissolved in a polar solvent. Hence, Ionic compounds give and receive electrons, so their compound can have a total of 8 valence electrons altogether.  

Learn more about Ionic compounds here ;

https://brainly.com/question/30420333

#SPJ11

The best estimate of the magnitude of the box's acceleration rounded to two significant digits is 11 m/s².

Mass of the box = m = 2 Kg

Coefficient of static friction between the box and table = μ = 0.40

Coefficient of kinetic friction between the box and table = μ' = 0.20

Horizontal force = f = 25 N

The kinetic frictional force = f' =

= f' = μ' X f

= f' = μ' X m X g

= f' = 0.20 X 2 X 9.81

= f' = 3.924 N

By applying the Newton's second law of motion, the total or net force is given as =

= ∑Fx = Applied horizontal force - kinetic frictional force = m X a

= Applied horizontal force - kinetic frictional force = m X a

= ( f - f' )  = ma

Acceleration of the box = a =

= a = (25 - 3,924) / 2

= a = 10.538 m/s²

= a ≈ 11 m/s²

To know more about Frictional Force:

https://brainly.com/question/28948343

#SPJ4

Answer:

A.

Explanation:

Assuming that there is no friction or other forms of energy loss in the system, the change in kinetic energy of the block after it is released from rest and has traveled a distance of a2 can be calculated using the conservation of energy principle, which states that the total mechanical energy of a system remains constant.

At the starting point, all of the potential energy stored in the spring is converted to kinetic energy as the block is released from rest.Therefore, at the starting point, the kinetic energy of the block is zero and the potential energy stored in the spring is u₀.

When the block has traveled a distance of a2, it has reached a point where it has no potential energy left, as the spring has returned to its original length.

At this point, all of the energy is in the form of kinetic energy. Therefore, the kinetic energy of the block when it has traveled a distance of a2 is given by:

K = U₀

where K is the kinetic energy of the block and U₀ is the initial potential energy stored in the spring.

The change in kinetic energy of the block as it travels from the starting point to a distance of a2 can be calculated by subtracting the initial kinetic energy from the final kinetic energy:

ΔK = K2 - K1

= U₀ - 0

= U₀

Therefore, the change in kinetic energy of the block after it is released from rest and has traveled a distance of a2 is equal to the initial potential energy stored in the spring, which is U₀.

To know more about kinetic energy refer  here

brainly.com/question/22174271#

#SPJ11

P equals F net t. t F net F net The impulse-momentum theorem is an equation that relates the quantities t and.

According to the equation, the impulse is equal to the average net external force times how long it takes for that force to act.

It is equivalent to the momentum shift.

You may use our calculator to directly calculate the impulse using the impulse formula J = p by entering the starting and end momentum values.

To compute the impulse using the equation J = mv, you may additionally insert the mass and velocity change of an object.

learn more about impulse-momentum refer

https://brainly.com/question/229647

#SPJ4