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A 60-unit impulse will change the momentum by 60 units, either increasing or decreasing it. It then encounters an impulse of 60 units (N This question is best thought about conceptually using the principle that an objects momentum is changed when it encounters an impulse and the amount of change in momentum is equal to the impulse which it encounters. Determine the final velocity of the object. A resistive force of 6.0 N then impedes its motion for 8.0 seconds. s impulse acts upon it in the direction of motion for 5.0 seconds.

A 4.0-kg object has a forward momentum of 20. So if impulse is known and time is known, force can be easily determined.į = Impulse/t = (-16.7 N s) / (0.100 s) = -167 Nĥ8. (b) The impulse is the product of force and time. Where the '-' indicates that the impulse was opposite the original direction of motion. (a) determine the impulse with the wall, (b) determine the force of the wall on the ball.Īnswer: Answer: (a) -16.7 N s (b) -167 N A 0.530-kg basketball hits a wall head-on with a forward speed of 18.0 m/s. Momentum and Collisions - Home || Printable Version || Questions with LinksĪnswers to Questions: All || #1-5 || #6-36 || #37-56 || 57-72ĥ7. The Review Session » Momentum and Collisions » Answers Q#57-72 Momentum and Collisions Review

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