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Elena L [17]
2 years ago
8

I can't seem to get the right angular acceleration and also not sure how to do part b. Help will be much appreciated.

Physics
1 answer:
Tcecarenko [31]2 years ago
8 0

Answer:It’s 5 I believe

Explanation: it says to round to the nearest thousandths, so it’ll be 5.

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3 years ago
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The magnitude of change in momentum is (2mv).

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The momentum of an object is given by the product of mass and velocity with which it is moving.

Let the mass of ball is m. A tennis player smashes a ball of mass m horizontally at a vertical wall. The ball rebounds at the same speed v with which it struck the wall.

Initial speed of the ball is v and final speed, when it rebounds, is (-v). The change in momentum is given by :

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So, the magnitude of change in momentum is (2mv).

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What is the difference between the initial position and the final position of an object?
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