Which stage came first in the formation of the solar system?.

Answer:

by reducing friction

Explanation:

By reducing friction, a machine can be made more efficient. Friction causes energy loss in a machine, which reduces its efficiency. By reducing friction, less energy is wasted as heat, and more energy is utilized for the intended purpose of the machine.

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Actually Welcome to the Concept of the Ohms Law,

According to the Ohms law,

V = I*R, where, V = Voltage, I = Current, R = resistance,

so here given as, V = 240 V, I = 32 A,

so we get as, R = 240/32

R = 7.5 ohms,

===> The resistant R is ==> 7.5 ohms.

Driver-side and passenger-side airbags will only deploy when the collision impact is within approximately 15 degrees of the vehicle centerline.

The purpose of airbags is to provide protection to occupants during a collision by rapidly inflating and cushioning the impact. To ensure their effectiveness, airbags are designed to deploy primarily in frontal collisions, where the collision force is directed towards the front of the vehicle.
Modern vehicles are equipped with sensors and algorithms that analyze various factors, including the direction and severity of impact, to determine whether to deploy the airbags. In the case of driver-side and passenger-side airbags, they are typically programmed to deploy when the collision impact is within a certain angle of the vehicle centerline. This angle is generally around 15 degrees on either side of the centerline.
This deployment range is chosen to provide protection for occupants in scenarios where the collision is likely to affect the front of the vehicle, where the driver and front passenger are seated. By limiting the deployment to a specific angle range, the airbags are optimized to deploy when most needed while minimizing unnecessary deployments in situations where the collision impact is not directly towards the front of the vehicle.

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the work done on the object is 20000 J.

The conversion factor from horsepower to watts is 1 hp = 746 watts.

Therefore, the Ford Shelby GT 500's horsepower of 760 hp can be converted to watts as follows:

760 hp × 746 watts/hp = 567760 watts

To convert horsepower to watts, you simply need to multiply the number of horsepower by the conversion factor of 746 watts/hp.So, the numeric answer for 760 hp in watts is 567760.

According to the work-energy principle, the work done on an object is equal to the change in kinetic energy. Mathematically, the work-energy principle can be represented as follows:

W = ΔKHere, W represents the work done on the object, and ΔK represents the change in kinetic energy of the object.

The change in kinetic energy can be calculated using the following formula:

ΔK = (1/2)mvf² - (1/2)mvi²

Here, m represents the mass of the object, vi represents the initial velocity of the object, and vf represents the final velocity of the object. In this case, the object is initially at rest (vi = 0), so the formula can be simplified to

:ΔK = (1/2)mvf²

Now, we can use the following kinematic equation to calculate the final velocity of the object:

vf² = vi² + 2ax

Here, a represents the acceleration of the object, x represents the displacement of the object, and vi represents the initial velocity of the object. Plugging in the given values, we get:

vf² = 0 + 2(10 m/s²)(30 m - 10 m)vf² = 400 m²/s²vf = 20 m/s

Now, we can plug in the values of m and vf to calculate the change in kinetic energy:

ΔK = (1/2)(100 kg)(20 m/s)²ΔK = 20000 JSo, the numeric answer for the work done on the object is 20000 J.

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Answer:

1 kilogram [kg] = 89875517.8780129 gigajoule [GJ]

Explanation:

Hopes it helps.

Answer:

Vi = 5.42 [m/s]

t = 0.55 [s]

Explanation:

To solve this problem we must use the following equation of kinematics.

\(v_{f} ^{2} =v_{o} ^{2} -(2*g*y)\)

where:

Vf = final velocity = 0 (At maximum elevation the coin doesn't move)

Vi = initial velocity [m/s]

g = gravity acceleration = 9.81 [m/s²]

y = elevation = 1.5 [m]

Note: The negative sign in the above equation means that the direction of the gravity acceleration is acting against the movement of the coin when it is going up.

0 = (Vi)² - (2*9.81*1.5)

29.43 = (Vi)²

Vi = 5.42 [m/s]

The time we can find it using the next equation also from kinematics.

\(v_{f} =v_{i} -g*t\\\)

0 = 5.42 - 9.81*t

t = 5.42/9.81

t = 0.55 [s]

Answer:

Vi = 5.42 [m/s]

t = 0.55 [s]

Explanation:

To solve this problem we must use the following equation of kinematics.

where:

Vf = final velocity = 0 (At maximum elevation the coin doesn't move)

Vi = initial velocity [m/s]

g = gravity acceleration = 9.81 [m/s²]

y = elevation = 1.5 [m]

Note: The negative sign in the above equation means that the direction of the gravity acceleration is acting against the movement of the coin when it is going up.

0 = (Vi)² - (2*9.81*1.5)

29.43 = (Vi)²

Vi = 5.42 [m/s]

The time we can find it using the next equation also from kinematics.

0 = 5.42 - 9.81*t

t = 5.42/9.81

t = 0.55 [s]

Explanation:

Hi Kema :3

According to Newton's first law, an unbelted victim in a car accident will continue to move in the same direction and with the same speed until the dashboard causes a change in motion.

Inertia is the tendency of an object to remain in motion in the absence of an unbalanced force. It is the property of an object to resist any change in motion unless acted upon by an external force.

The dashboard applies an external force that changes the direction and speed of the victim. This is because the person has no external forces acting on them to cause them to stop. Since they were in motion at the time of the accident, they will continue in that motion unless acted upon by another force, such as the dashboard, until they come to a stop or another force acts upon them.

Therefore, the best exemplifies the law of inertia. The law of inertia states that an object at rest will remain at rest, and an object in motion will remain in motion at a constant velocity unless acted upon by an external unbalanced force.

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The final magnification will be 100X.

The light compound microscope contains two lenses to assist viewing of small objects. The two lenses are ocular lens and objective lens. Ocular lens is in the eyepiece and magnifies the image. Objective lens is near the sample and magnifies the object. Ocular lens is always 10X. Now, if we use objective lens of 10X, the magnification will be calculated by multiplication. So, the final magnification of the microscope will be 100X.

Compound microscope is commonly used to view the samples in magnification ranging from 40X to 1000X. There are variety of microscopes that provide detailed and highly magnified images, for instance, fluorescence microscope, digital microscope, electron microscope etc.

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In order to find the magnitude of the electric field at the origin, you need to use the equation E = q/4πεr², where q is the charge, ε is the permittivity of space, and r is the distance from the origin.

To calculate the electric field, you must first determine the charge of the particle, then determine the distance to the origin, and finally, use the equation to calculate the magnitude of the electric field.

Once you have the magnitude of the electric field at the origin, you can then use it to explore the behavior of other electric fields in the area.

To calculate the magnitude, you must first determine the values of k, q, and r, then plug them into the equation and solve. The resulting answer will be the magnitude of the electric field at the origin.

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Spin is an intrinsic property of electron. This is useful to find comprehensive details about the electron in atom, such as, energy perturbation, angular momentum etc.

The term "spin quantum number" refers to the fourth quantum number that is presented to characterize the orientation of the electron spin (rotation) in space. It can move either clockwise or counterclockwise.

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The amount of thermal energy inside a protostar increases with time, We will degree radiative power without delay and infer thermal energy from models: type will we infer from the law of conservation of energy

A protostar is a very younger big name that is nonetheless accumulating mass from its parent molecular cloud. The protostellar phase is the earliest one within the system of stellar evolution. for a low-mass superstar, it lasts about 500,000 years.

A protostar is formed as gravity starts offevolved to pull the gases collectively into a ball. This technique is referred to as accretion. As gravity pulls the gasses toward the center of the ball, gravitational strength begins to warmness them, inflicting the gasses to emit radiation. in the beginning, the radiation simply escapes into space.

Protostar is an early degree in the evolution of a celebrity that generally grows to the factor of beginning nuclear fusion and becoming a star through gathering mass. it's miles made from a contracting cloud of bloodless and dark interstellar medium (often hydrogen gas).

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a) The velocity function v(t) is given by v(t) = -100 + 10t, b) The acceleration function a(t) is given by a(t) = 10, c) The velocity is v(3) = -70 fps, and the acceleration is a(3) = 10 feet per second squared.

a) To find the velocity function, we take the derivative of the distance function s(t) with respect to time t. The derivative of s(t) = 80 - 100t + 5t^2 is v(t) = s'(t) = -100 + 10t. The units of velocity are feet per second.

b) The acceleration function is obtained by taking the derivative of the velocity function v(t). Since v(t) = -100 + 10t, the derivative of v(t) is a(t) = s"(t) = 10. The units of acceleration are feet per second squared.

c) To find the velocity and acceleration when t = 3 seconds, we substitute t = 3 into the respective functions. For velocity, v(3) = -100 + 10(3) = -70 feet per second. For acceleration, a(3) = 10 feet per second squared.

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Answer:

0.9 m

Explanation:

Hooke’s Law

\(\large\boxed{F = ke}\)

where:

Given values:

Substitute the given values into the formula to find k:

\(\implies 2.0=0.30k\)

\(\implies k=\dfrac{2.0}{0.30}\)

\(\implies k=\dfrac{20}{3}\; \sf N/m\)

To find the extension if the force applied is 6 N, substitute the found value of k and the given value of F into the formula and solve for e:

\(\implies 6=\dfrac{20}{3}e\)

\(\implies 18=20e\)

\(\implies e=\dfrac{18}{20}\)

\(\implies e=0.9\; \sf m\)

48. [C] 5.00 Ω Reactance is the resistance that a capacitor and an inductor provide to an AC current in a circuit.

49. [A] 5.00 Ω, 50. [D] 46.00 A

The opposition caused by capacitance and inductance in an AC circuit is known as reactance. The resistance that the current and voltage experience in an AC circuit is known as the impedance in a circuit.

The measure of resistance to current that a circuit offers each time a voltage is applied is called AC impedance. It is the proportion of voltage to current in alternating current in a more quantitative sense. Impedance can be expanded to include phase and magnitude and incorporate the concept of AC circuit resistance.

Reactance of the circuit,

Z = R + Xc

Z = 5 + 1/2ΠC

Z = 5 + 1/2Π×40

Z = 5.00Ω

Current in the circuit,

Z = V/I

5.00 = 230/I

I = 46 A

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Answer:

just build it lol

Explanation:

The birdhouse is made from seven pieces of wood cut from a single 1- x 12-inch pine board, 6-feet long. Measure, mark and cut a 5- x 7-inch piece of board for the bottom of the birdhouse. Measure, mark and cut two 5- x 5

and go from there

If the side length is 150 units, the largest number of points such that any two of them have the same distance is 6.

To find the largest number of points such that any two of them have the same distance, we can use a regular polygon.

In a regular polygon, all sides and angles are equal. The formula to find the number of points (n) in a regular polygon is n = 360 / (180 - angle), where angle is the interior angle of the polygon.

In this case, we want the distance between any two points to be the same, so we are looking for a regular polygon with equal side lengths.

Since all sides of a regular polygon are equal, we can set the distance between any two points to be the side length of the polygon.

For example, if the side length of the polygon is 150 units, we can substitute this value into the formula to find the number of points:

n = 360 / (180 - angle)

n = 360 / (180 - 360/n)

Now, we need to find the value of n that will make the equation true.

Let's start by substituting n = 3 into the equation:

n = 360 / (180 - 360/3)
n = 360 / (180 - 120)
n = 360 / 60
n = 6

Therefore, if the side length is 150 units, the largest number of points such that any two of them have the same distance is 6.

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A capacitor's voltage would be destroyed if the electric stress across it is too great. Capacitor ratings should not be exceeded because of this.

An electric circuit's power source exerts pressure known as voltage on charged electrons (current), causing them to flow through a conducting loop and perform tasks like lighting a lamp. The voltage is expressed in volts and is simply equal to pressure (V).

A conducting wire's two terminals can differ in potential in units of volts. When ever a current from one amp travels over a voltage differential of one volt, the amount of work completed electrically is measured in watts. There is a proportionate relationship between watt and volt. Consequently, watt is precisely proportional to

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Answer:

trying to push a rock that never moves

Explanation:

Answer:

360²

Explanation:

hoped this helped (ejfigueroa5 had the answer thank you to ejfigueroa5)

The speed of the center of mass of the sphere at the bottom of the incline can be determined using energy conservation principles. When the sphere rolls down the incline without slipping, its potential energy is converted into kinetic energy.

The potential energy of the sphere at the top of the incline is given by PE = Mgh, where M is the mass of the sphere, g is the acceleration due to gravity, and h is the height of the incline.

The kinetic energy of the sphere at the bottom of the incline is given by KE = ½Mv², where v is the speed of the center of mass of the sphere.

Since energy is conserved, the potential energy at the top is equal to the kinetic energy at the bottom:

Mgh = ½Mv²

Simplifying the equation, we find:

v = √(2gh)

Therefore, the speed of the center of mass of the sphere at the bottom of the incline is given by the square root of 2 times the product of acceleration due to gravity (g) and the height of the incline (h).

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Answer:

\( \huge{ \boxed{ \bold{ \sf{90 \: joule}}}}\)

✑ First , Let's know what kinetic energy is :

⇾ The energy possessed by a body by the virtue of it's motion is called kinetic energy of the body. A flying bird , a moving car , running water , wind , a bullet fired from a gun , an arrow left from a bow , rolling stone etc are some examples of kinetic energy.

The Kinetic energy of a moving body is determined by the formula :

\( \boxed{ \underline{ \sf{KE= \frac{1}{2} m {v}^{2} }}}\)

Here ,

--------------------------------------------------------------

☇ Now , Let's solve :

☄ Given :

☄ To find :

⤿ \( \boxed{ \sf{KE= \frac{1}{2} m {v}^{2} }}\)

Plug the values and simplify :

→ \( \sf{ \frac{1}{2} \times 20 \times {(3)}^{2} }\)

→ \( \sf{ \frac{1}{2} \times 20 \times 9}\)

→ \( \boxed{ \bold{\sf{90 \: joule}}}\)

Hope I helped !

Have a wonderful day ! ツ

~TheAnimeGirl ♡

Answer: Find the answer in the explanation

Explanation:

The music playing on the radio will be heard through the sound waves coming from the radio.

The travelling wave will obey Newton's first law of motion which state that:

An object or particle will remain at rest or continue its linear motion in a straight line except an external force is applied.

The external force through wind could affect the travelling of the sound waves. Since the wave is longitudinal wave. That is, it needs a medium (air) for its propagation.