Is this a balanced equation? 6O2+ C6H12O6---> 6 CO2 + 6H2O

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The magnitude of R for a hollow circular cross section will be less than the magnitude of q for a solid circular cross section with the same outside diameter in the given diagram.

Circular Hollow Section member in the given circuit is loaded by a radial external lateral pressure that always acts normally to the cylindrical shell mid-surface, its direction depends on the shell deformation – the external pressure has a follower nature, remaining normal to the shell during and after deformation.

The area A of a circuit hollow cross-section, having radius R, and wall thickness t, can be found with the next formula where  the inner, hollow area radius. In terms of tube diameters, the above formula is equivalent.

Therefore, The magnitude of R for a hollow circular cross section will be less than the magnitude of q for a solid circular cross section with the same outside diameter in the given diagram.

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Hello..! :)

The speed of the ancient ship is 3482 meters per hour or 96.72 centimeters per second.

Explanation:

Data:

Formula:

Developing:

Now, we convert to see what its speed is in cm/s.

Conversion:

V = 96.72 cm/s

¿Doubts? On the comments. Greetings :D

Answer:

Thanks For the points

It is or 96.72 cm/s

Answer: True

Explanation:

Cardiopulmonary resuscitation (CPR) is a medical procedure involving repeated compression of a patient's chest in an attempt to restore the blood circulation and breathing of a person who has suffered cardiac arrest.

Answer:

Trabajo = Δ E

Explanation:

Podemos escribir esta declaración como una ecuación que hace que sea muy fácil ver la relación: Trabajo = Δ E, donde E es energía, y la letra griega Delta significa ‘cambio en’. Entonces leemos esto como: trabajo = cambio de energía. Esto nos ayuda a comprender por qué no se realiza ningún trabajo en una pared que no se mueve.

The work- energy theorem states that the work done by the sum of  forces acting on an object is  equal to  the change in the kinetic energy of the object.

According to work -energy theorem, the force resulting in a work done which is equal to the change in kinetic energy of the object. When a force applied on a body results in a displacement of the body, it is said to be work done on the body.

Kinetic energy of an object is the energy generated by virtue of its motion. It related to the mass and velocity as written below:

Ke  = 1/2 mv²

Let, Vi be the initial velocity and Vf be the final velocity, then the change in kinetic energy is written as:

ΔKe =  1/2 mVf² -  1/2 mVi²

According to wok energy theorem, the work done is equal to the this kinetic energy change.

Hence, W = ΔKe.

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Answer:

Given :  

m 1 =0.5 kg        

u 1 =0 m/s                    

m 2=0.005 kg      

u 2=200 m/s              

Let the velocity acquired by the block after the collision be V.

Using conservation of linear momentum before and after the collision :    P i =P f

​∴    m1u 1 +m 2u 2=(m 1+m 2 )V

OR    

0.5×0+0.005×200=(0.5+0.005)V              

⟹V≈1.9  m/s

Answer:

V= 1.9  m/s

Explanation:

I did the test

Hope this helps :)

Answer:

it takes light approximately 0.25 minutes to travel from the Sun to Neptune.

Explanation:

The distance from Neptune to the Sun is 30.0 times farther than from the Earth to the Sun, so it's 30.0 * 93 million miles = 2,790 million miles.

The speed of light is approximately 186,282 miles per second, so it takes light approximately 2,790 million miles / 186,282 miles/second = 14.97 seconds to travel from the Sun to Neptune.

Since there are 60 seconds in a minute, this is equivalent to 14.97 seconds / 60 seconds/minute = 0.25 minutes.

So, The distance from Neptune to the Sun is 30.0 times farther than from the Earth to the Sun, so it's 30.0 * 93 million miles = 2,790 million miles.

The speed of light is approximately 186,282 miles per second, so it takes light approximately 2,790 million miles / 186,282 miles/second = 14.97 seconds to travel from the Sun to Neptune.

Since there are 60 seconds in a minute, this is equivalent to 14.97 seconds / 60 seconds/minute = 0.25 minutes.

so  it takes light approximately 0.25 minutes to travel from the Sun to Neptune.

Answer:

v = rw

Explanation:

When an object is rolling continuously without slipping, then every angle it rotates through, is equal to a distance the perimeter has rotated.

If the object completes 10 revolutions and takes a particular time, let's say t to complete it. The angular distance would then be 20 π rad, while its angular velocity will be 20 π/t

The circumference will somehow translate to the distance it covers, which is 20πr, this means that the speed is 20πr/t

So, like the question asked, the linear speed compared to angular speed is

v : w

20πr/t : 20πt, which can be simplified to

r : 1

In essence, v = rw

At room temperature (300°k) there is enough thermal energy to break some bonds and create electron-hole pairs. This is True statement.

As we increase the temperature the atom starts vibrating and due to vibrations there is increase in the energy to the lattice. Since some energy is also transferred to the electrons so they also gets excited.

Hole is nothing but the absence of electrons, or negative charge and it is having positive charge but mass is zero.

when there is increase in the energy to the electrons and this energy is greater than or equal to the energy required to pull the electrons, these electrons can break the bond and leave the atoms. These atoms are now free electrons. when they leave atoms, there is electron deficiency created and hole is generate, so they can make electron hole pair.

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(a) The final velocity of the two vehicles if the collision was inelastic is 1.1 m/s.

(b)  For the elastic collision, the final velocity of the car is 9.81 m/s backwards and the final velocity of the truck is 2.19 m/s forward.

(c) The time taken to exert the given force is 0.00625 m (s).

The given parameters;

(a) The final velocity of the two vehicles if the collision was inelastic is calculated as follows;

\(m_1 u_1 + m_2u_2 = v(m_1+ m_2)\\\\12m + 10m(0) = v(m + 10m)\\\\12m = v(11m)\\\\v = \frac{12m}{11m} \\\\v = 1.1 \ m/s\)

(b) The final velocity of the two vehicles if the collision was elastic is calculated as follows;

\(m_1 u_1 + m_2u_2 = m_1v_1 + m_2v_2\\\\\12m \ + \ 10m(0) = mv_1 + 10mv_2\\\\12m = m(v_1 + 10v_2)\\\\12 = v_1 + 10 v_2\ \ - --(1)\)

Apply one-directional velocity equation:

\(u_1 +v_1 = u_2 + v_2\\\\12 + v_1 = 0 + v_2\\\\12+ v_1 = v_2 \ \ --- (2)\)

Substitute the value of \(v_2\) into equation (1);

\(12 = v_1 + 10(12 + v_1)\\\\12= v_1 + 120 + 10v_1\\\\12- 120 = 11v_1\\\\-108 = 11v_1\\\\v_1 = \frac{-108}{11} \\\\v_1 = -9.81 \ m/s\\\\\)

Solve for \(v_2\);

\(v_2 = 12 + v_1\\\\v_2 = 12 - 9.81\\\\v_2 = 2.19 \ m/s\)

Thus, for the elastic collision, the final velocity of the car is 9.81 m/s backwards and the final velocity of the truck is 2.19 m/s forward.

(c)

The change in the momentum of the truck is calculated as;

\(\Delta P = m_2(v_2 - u_2)\\\\\Delta P = 10m(2.19)\\\\\Delta P = 21.9m\)

The time taken to exert the given force is calculated as follows;

\(Ft = \Delta P\\\\t = \frac{\Delta P}{F} \\\\t = \frac{21.9 \ m}{3500} \\\\t = 0.00625 \ m (seconds)\)

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Answer:

The skateboard rolls away at 29.7 m/s

Explanation:

Law Of Conservation Of Linear Momentum

It states the total momentum of a system of bodies is conserved unless an external force is applied to it. The formula for the momentum of a body with mass m and speed v is  

P=mv.  

If we have a system of bodies, then the total momentum is the sum of the individual momentums:

\(P=m_1v_1+m_2v_2\)

If a collision occurs and the velocities change to v', the final momentum is:

\(P'=m_1v'_1+m_2v'_2\)

Since the total momentum is conserved, then:

P = P'

\(m_1v_1+m_2v_2=m_1v'_1+m_2v'_2\qquad\qquad[1]\)

A girl of m1=50 kg rides an m2=4.9 kg skateboard and the common speed is v1=v2=2.1 m/s.

The girl jumps off the skateboard backward with a speed of v1'=-0.6 m/s (negative because it's opposite to the original direction). It's required to find the final speed of the skateboard. It will be calculated by solving for v2':

\(\displaystyle v'_2=\frac{m_1v_1+m_2v_2-m_1v'_1}{m_2}\)

\(\displaystyle v'_2=\frac{50*2.1+4.9*2.1-50*(-0.6)}{4.9}\)

Calculating:

\(\displaystyle v'_2=\frac{145.29}{4.9}=29.7\ m/s\)

The skateboard rolls away at 29.7 m/s

Answer:

v = 103.70 m/s

Explanation:

To find the speed of the object, you first calculate the frequency of the reflected wave, by suing the information about the beat frequency:

\(f_b=|f_1-f_2|\)      (1)

fb: frequency of the beat = 80Hz

f1: frequency of the submarine generated by the submarine = 1080Hz

By solving the equation (1) you have that f2 can take two values:

\(f_2=1080Hz-80Hz=1000Hz\\f_2=1080Hz+80Hz=1160Hz\)

You use the second value (1160Hz) because the reflected wave comes from an object that is moving toward the sub.

Next, you use the formula for the Doppler effect's, for an object that is getting closer:

\(f'=f(\frac{v_w}{v_w-v_s})\)     (2)

f': perceived frequency = 1160 Hz

f: frequency of the source = 1080 Hz

vw: speed of sound in water = 1400 m/s

vs: speed of the source = ?

You solve the equation (2) for vs, and you replace the values of the rest of the parameters:

\((v_w-v_s)f'=fv_w\\\\v_s=\frac{v_w(f'-f)}{f}\\\\v_s=\frac{(1400m/s)(1160Hz-1080Hz)}{1080Hz}\\\\v_s=103.70\frac{m}{s}\)

hence, the speed of the object that is moving toward the sub is 103.70 m/s

Answer:

 Find the following for path A in the diagram: (a) The.

Explanation:

I don't know

The centripetal force in Newtons provided by the friction between the blade of the skate and the ice is 490 N

The following data were obtained from the question:

The centripetal force can be obtained as illustrated below:

F = mv²/r

= (50 × 7²) / 5

= (50 × 49) / 5

= 2450 / 5

= 490 N

Thus, we can concluded that the centripetal force is 490 N

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Non-Malleable and Ductile: Non-metals are very brittle, and cannot be rolled into wires or pounded into sheets. Conduction: They are poor conductors of heat and electricity. Luster: These have no metallic luster and do not reflect light.

Group 15, the nitrogen family, contains two nonmetals: nitrogen and phosphorus. These non-metals usually gain or share three electrons when reacting with atoms of other elements. Group 16, the oxygen family, contains three nonmetals: oxygen, sulfur, and selenium.

Elements: Nitrogen; Oxygen; Phosphorus; Selenium...

The pendulum loses energy through these

When you forces it to oscillation then the amplitude increases friction decreases but later on they comes back to their places so energy is lost in terms of heat .

#Part B

There is energy loss so this part is of no use

Answer:

the magnitude of the magnetic field is 1.23 × 10⁻⁸ T  { in the +y direction }

Explanation:

Given the data in the question;

the relation between the electric field and the magnetic field in an electromagnetic wave can be written as follows;

c = E₀/B₀

where c is speed of light, E₀ is the amplitude of the electric field and B₀ is the amplitude of the magnetic field.

given that;  E₀ = 4.70 V/m, we know that; speed of light c = 3 × 10⁸ m/s

so from our relation; c = E₀/B₀

B₀ = E₀/c

we substitute

B₀ = 4.70 / 3 × 10⁸

B₀ = 1.23 × 10⁻⁸ T  { in the +y direction }

Therefore, the magnitude of the magnetic field is 1.23 × 10⁻⁸ T  { in the +y direction }

A particle with the potential energy diagram shown is located at point A and is moving to the right with a kinetic energy of 10.0 Joules. When the particle reaches point F, the speed of the particle has decrease

As the sum of potential and kinetic energy remains constant

Kinetic energy decreases when potential energy increases and vice versa.

When kinetic energy decreases speed will also decrease.

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Answer:

I cannot do the laws of physics cuz I hate science but I'm just dance

Explanation:

it's it's true

A paleontologist is a scientist who studies the history of life on Earth through the fossil record.

What is paleontologist?

A paleontologist is a scientist who studies the history of life on Earth through the fossil record. Fossils are the evidence of past life on the planet and can include those formed from animal bodies or their imprints

Invertebrate Paleontology: Study of invertebrate animal fossils, such as mollusks, echinoderms, and others. Vertebrate Paleontology: Study of vertebrate fossils, from primitive fishes to mammals. Human Paleontology (Paleoanthropology): The study of prehistoric human and proto-human fossils.

Paleontologists are scientists who study the history of life on Earth from fossils. Fossils are evidence of past life on Earth and can include those formed from animal bodies or their casts (body fossils). Trace fossils are another type of fossil.

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Answer:

false

Explanation:

i just took the test <3

The period of a pendulum is not directly proportional to the mass of the bob. The period of pendulum is independent of the mass of the bob. Thus, the given statement is false.

A simple pendulum is the one which consists of a small metal ball called as the bob or a mass which is suspended from a fixed point by a long piece of thread such that the bob is free to swing back and forth from its mean position under the influence of the gravity.

The time period of a simple pendulum is the time taken by it to complete one oscillation. The formula for the time period or period (T) of a simple pendulum is T = 2π (√L/g), where L is the length of the pendulum thread and g is the acceleration due to gravity.

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The magnitude of the action–reaction pair between the two boxes (A and B) will be "18.2 N".

According to the question,

Mass of box A,

Mass of box B,

Horizontal force,

From the Newton's law,

→ \(F_{app} = (\frac{F_{app}}{m_A+m_B} )a\)

or,

→      \(a = \frac{F_{app}}{(m_A+m_B)}\)

Bu substituting the values, we get

→         \(= \frac{100}{9+2}\)

→         \(= \frac{100}{11}\)

→         \(9.10 \ m/s^2\)

We can see that between the two boxes, the action-reaction pair exist.

then,

→ \(F_{action-reaction} = m_b \ a\)

→                          \(=2\times 9.10\)

→                          \(= 18.2 \ N\) (magnitude)

Thus the above solution is appropriate.

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Answer: 1.646 m/s²

Explanation:

The distance that is traveled by the astronaut given that the motion is free-fall can be calculated through the equation,

   d = Vot + 0.5at²

where d is the distance, Vo is the initial velocity, t is the time, and a is the acceleration. Substituting the known,

  6 = (0 m/s)(2.7 s) + 0.5(a)(2.7 s)²

Determining the value of a,

   a = 1.646 m/s²

(1) the pressure of the skier is 416.67 N/m².

(2) the pressure exerted by the wheel is 76.67 N/m².

(3) the surface area of the knife is 0.03 m².

The pressure of the skier can be calculated using the formula:

pressure = force / area

Substituting the given values, we get:

pressure = 500 N / 1.2 m²

pressure = 416.67 N/m²

The pressure exerted by the wheel can be calculated using the same formula:

pressure = force / area

Substituting the given values, we get:

pressure = 23 N / 0.3 m²

pressure = 76.67 N/m²

The pressure exerted by the knife is given as 200 N/m² when a force of 6 N is applied. We can use the same formula to calculate the surface area of the knife:

pressure = force / area

Rearranging the formula, we get:

area = force / pressure

Substituting the given values, we get:

area = 6 N / 200 N/m²

area = 0.03 m²

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Hooke's Law can be given as follows sometimes:

The restoring force of a spring is equal to the spring constant multiplied by the displacement from its normal position:

F = -kx

Where, F = Restoring force of a spring (Newtons, N)

k = Spring constant (N/m)

x = Displacement of the spring (m)

The negative sign relates to the direction of the applied force and by convention, the minus or negative sign is present in F = -kx. The restoring force F is directly proportional to the displacement (x), according to Hooke's law. When the spring is compressed, the displacement (x) is negative. It is zero when the spring is at its original length and positive when the spring is extended.

Practically, Hooke's Law is applicable only within a limited frame of reference, and through experimenting, this statement proves to be true. Because materials cannot be compressed beyond a certain size or expanded beyond a certain size without some permanent deformation or change of their original state.

The law only applies under some conditions such as a limited amount of force or deformation. Factually, many materials will noticeably deviate from Hooke's law even before those elastic limits are reached.

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Answer:

object would move but it could be difficult to slow down or stop.

Answer:

A conducting pattern is a pattern in which your dominant hand follows in order to establish beats and tempo to the choir. Conductors that are directing large orchestras and choirs will often times use a baton so that the entire group can clearly see the motions.

Explanation:

The correct answer is "c. horizontal component of the normal force." When a railroad train rounds a banked track, the centripetal force needed comes from friction, but from the horizontal component of the normal force.

It is the component of the normal force that acts perpendicular to the direction of motion. The normal force is the force exerted by a surface on an object that is in contact with it. It acts perpendicular to the surface and helps to support the weight of the object. In the case of a train rounding a banked track, the normal force acts perpendicular to the surface of the track and helps to keep the train from sliding off the track.

The horizontal component of the normal force is the component of the normal force that acts in the direction of motion. It acts parallel to the surface of the track and helps to provide the centripetal force needed to keep the train moving in a circular path.

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Answer:

Hercules slyly agreed, but asked Atlas whether he could take it back again, just for a moment, while the hero put some soft padding on his shoulders to help him bear the weight of the sky and the earth. Atlas put the apples on the ground, and lifted the burden onto his own shoulders.

Explanation:

Answer:

Gravitational Potential Energy

Explanation:

Gravitational potential energy is energy an object possesses because of its position in a gravitational field  (Hyper Physics). The potential energy is the energy that is stored in an object due to its position relative to some zero position(Physics Classroom).

For a body held at a height (h), the gravitational potential energy is capable to do work once the object is released from the height (h)