Recent content by silviamar21

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    What is the Momentum Change in an Elastic Collision?

    Homework Statement A ball with a mass of 1220 kg is moving in a straight line heading due east when it collides elastically with a second ball that is at rest. After the collision the first ball deflects 27.9 degrees north of its original path and the second ball moves in a line 62.1 degrees...
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    Impulse Word Problem: Find Momentum & Impulse

    Homework Statement A 12.5 ball traveling at a speed of 32.4 m/s strikes a wall and rebounds with the same speed. What is the impulse exerted by the wall on the ball? Part II A 12.5 g ball is traveling at a speed 3.4 m/s strikes the center of a 29.5 g ball of the same radius. The balls are...
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    Solving Physics Homework: Stopping Force & Momentum

    Homework Statement The engine of Sara's 1290 kg car exerts a force of 4880 N at the wheels. She accelerates for 8.73 seconds and then unfortunately, she collides with a snowbank. A) find the force that would stop her car in 2.32 seconds from the impulse of the collision. B) Calculate her...
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    Does an object at rest have inertia?

    Homework Statement Does an object at rest have inertia? Homework Equations The Attempt at a Solution