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Likurg_2 [28]
3 years ago
9

Verify that your equation has the masses and the velocities before and after the collision. Solve equation for the initial veloc

ity of the projectile, Vo. As the bob swings upward from h1 to a max of h2, what is happening to the kinetic energy of the system?
Physics
1 answer:
Aleks04 [339]3 years ago
3 0

Answer:

Decrease occur in kinetic energy.

Explanation:

The kinetic energy decreases when the the Bob swings reaches to the maximum height because the motion of the bob slower down. At maximum height, the kinetic energy decreases whereas the value of potential energy is the highest. The main reason of higher potential energy is that it depends on height of an object while on the other hand, kinetic energy depends on the motion of an object so that's why the value of kinetic energy decreases and potential energy increases at maximum height of the bob.

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1. A 20m steel wire is stretched to 20.0m by
Eduardwww [97]

Answer:

Force to stretch the wire is 250 N

Explanation:

As we know that modulus of elasticity will remain the same for the wire if the applied stretch to the wire is within elastic limit

So we will have

\frac{F L}{\Delta L A} = constant

now we have

\frac{F_1 L}{\Delta L_1 A} = \frac{F_2 L}{\Delta L_2 A}

so we can write it as

F_2 = \frac{F_1 L_2}{L_1}

F_2 = \frac{50 (0.05)}{0.01}

F_2 = 250 N

7 0
3 years ago
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Answer:

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Explanation:

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3 years ago
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Phoenix [80]

Answer: Option (c) is the correct answer.

Explanation:

The difference in electrical potential energy between two places in an electric field is known as potential difference.

Mathematically, potential difference between two given points can be written as follows.

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where,    \Delta V = potential difference

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4 0
3 years ago
Read 2 more answers
Kathy had a heavy metal ball and Rich had a light wooden ball they drop the balls from the same height. they were surprised to d
Colt1911 [192]

Answer: I scored a 9/10

Explanation:

I agree with Kathy gravity must be acting the same on both balls just because one ball is heavier doesn’t mean they will hit different times if the wooden ball was drop closer to the ground then the wooden ball would hit the ground first

3 0
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ser-zykov [4K]

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8 0
3 years ago
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