Plan for Today (AP Physics 1). Go over MC Go over Momentum Review HW: Study for Test Tomorrow. Apply the impulse momentum equations and describe how the concept of impulse “cushions” a collision. I = change in P F * t = m * change in v
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In a pool game, a green billiard ball travels north at 2.1 m/s. It collides with another red ball traveling at 1.2 m/s south. After the collision, the green ball travels south at 1.3 m/s. What is the velocity of the red ball?
A child plays with a toy train set. He pushes a 150 g train with a velocity of 2.3 m/s into two cars (each with mass 125) that are at rest stuck together. All three get stuck together and continue to travel. What is the final velocity of the train set?
Daisy the dog’s bone collides with the wall with an initial velocity of 5.1 m/s. It leaves the wall traveling at 4.2 m/s. The bone still has a mass of 120 g. What is the change in momentum of her bone?
If the bone is in contact with the wall for .09 seconds, what is the force applied on her bone?