Question

Physics Midterm 30. An object is placed on a merr- po-round If the centripetal force keeping the object moving in a circle is removed, what is the path the object will take in the image. (Choices on the image) Collisions to the initial momentum of the apple? A. the momentum is lost into the sound of the apple hitting the Earth f the apple is transferred into the Earth. C. the apple never had D. not enough inf 32. Two carts are placed together with a compressed spring between them. Cart 1 is heavier than Cart 2. As they are forced apart by the spring, which of the following statements about speed is true? 3M A. the heavier cart will be faster B. the force is greater on the lighter cart. C the lighter cart will be faster D. they will have the same speed 33. A U-Haul Truck and a Ford F-150 collide head on at a speed of 30 mph. SAME FOR BOTH vehicles during collision? Which of the following quantities is THE A. the B. the force C. there initial momenta D. not enough information provided 34. Which law states "Momentum can never be created nor destroyed, only transferred from one object to another." A. Momentum transfer theorem B. Law of conservation of momentum C. Law of conservation of mass D. Momentum constant formula 35. Impulse is defined as A. force over some unit of time. a change in momentum B. a force that changes an objects' momentum C.a force that can stop an objects' momentum D. all of the above

Answer 1