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Rzqust [24]
3 years ago
11

1. What is the momentum of a golf ball with a mass of 62 g moving at 73 m/s?

Physics
1 answer:
Anit [1.1K]3 years ago
4 0

Answer:

<h3>The answer is 4.53 kgm/s</h3>

Explanation:

The momentum of an object can be found by using the formula

<h3>momentum = mass × velocity</h3>

From the question

mass = 62 g = 0.062 kg

velocity = 73 m/s

We have

momentum = 0.062 × 73 = 4.526

We have the final answer as

<h3>4.53 kgm/s</h3>

Hope this helps you

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A 0.100-kg ball traveling horizontally on a frictionless surface approaches a very massive stone at 20.0 m/s perpendicular to wa
Gennadij [26K]

Answer:

Change in momentum of the stone is 3.673 kg.m/s.

Explanation:

Given:

Mass of the ball on the horizontal the surface, m = 0.10 kg

Velocity of the ball with which it hits the stone, v = 20 m/s

According to the question it rebounds with 70% of the initial kinetic energy.

We have to find the change in momentum i.e Δp

Before that:

We have to calculate the rebound velocity with which the object rebounds.

Lets say that the rebound velocity be "v1" and KE remaining after the object rebounds be "KE1".

⇒ KE_1=0.7\times \frac{mv^2}{2}    

⇒ KE_1=0.7\times \frac{0.10\times (20)^2}{2}

⇒ KE_1=0.7\times \frac{0.10\times 400}{2}

⇒ KE_1=14 Joules (J).

Rebound velocity "v1".

⇒ KE_1=\frac{m(v_1)^2}{2}

⇒ v_1 = \sqrt{\frac{2KE_1}{m} }

⇒ v_1 = \sqrt{\frac{2\times 14}{0.10} }

⇒ v_1=16.73

⇒ v_1=-16.73 m/s ...as it rebounds.

Change in momentum Δp.

⇒ \triangle p= m\triangle v

⇒ \triangle p= 0.10\times (20-(-16.73)

⇒ \triangle p= 0.10\times (20+16.73)

⇒ \triangle p= 0.10\times (36.73)

⇒ \triangle p = 3.673 Kg.m/s

The magnitude of the change in momentum of the stone is 3.673 kg.m/s.

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The video shows a collapsing cloud of interstellar gas, which is held together by the mutual gravitational attraction of all the
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The overall force of gravity becomes stronger and stronger. This is because the gravity depends on the inverse of the square of the distance:
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A 160-m long ski lift carries skiers from a station at the foot of a slope to a second station 40 m above. What is the IMA of th
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Answer:

ima is l/h so 160/40 = 4

Explanation:

4 0
3 years ago
Read 2 more answers
Can someone please answer my question please. thank you ❤️ ​
faust18 [17]
<h3>₳ ₦ ₷ ₩ € r : </h3>

BATANGAS

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PUERTO PRINCESSA

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DAVAO

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(´。• ω •。`) ♡

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I would rather be hit by the deflated ball because it wouldn't hurt as bad because it wouldn't have a lot of weight to hurt me in anyway
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