1. Cart A has a mass of 2 kilograms and a speed of 3 6. The gravitational potential energy, with respect to meters per second. Cart B has a mass of 3 kilograms Earth, that is possessed by an object is dependent on and a speed of 2 meters per second. Compared to the the object's inertia and magnitude of momentum of cart A, cart B has A) acceleration B momentum C) position A) the same inertia and a smaller magnitude of D) speed momentum B) the same inertia and the same magnitude of momentum Cy greater inertia and a smaller magnitude of 7. After a 65-newton weight has fallen freely from rest a momentum vertical distance of 5.3 meters, the kinetic energy of D) greater inertia and the same magnitude of the weight is momentum A) 12 J B) 340 J 65 N 910 J D) 1800 J 5, 3 mg 2. While riding a chairlift, a 55-kilogram skier is raised a 104 100 vertical distance of 370 meters. What is the total 8. A 7.0-kilogram cart, A, and a 3.0-kilogram cart; B, are change in the skier's gravitational potential energy? initially held together at rest on a horizontal, A) 5.4 . 101J B) 5.4 . 102 J frictionless surface. When a compressed spring C) 2.0 . 104 J 1) 2.0 . 105 J attached to one of the carts is released, the carts are pushed apart. After the spring is released, the speed of 55 kg 981 x 370 cart B is 6.0 meters per second, as represented in the diagram below. 2.00 000. d B 3. A 5.00-kilogram block slides along a horizontal, 7.0 kg I'm 3.0 kg|6.0 m/s frictionless surface at 10.0 meters per second for 4.00 seconds. The magnitude of the block's momentum is Frictionless surface A) 200. kgom/s B) 50.0 kg.m/s What is the speed of cart A after the spring is C) 20.0 kg.m/s D) 12.5 kgom/s released? M =5 1g A) 14 m/s B) 6.0 m/s M + = 4 sec 5x 10 C) 3.0 m/s (D) 2.6 m/s 7 - lomIs 4. The work done in accelerating an object along a frictionless horizontal surface is equal to the change in the object's 9. A block initially at rest on a horizontal, frictionless Amomentum B) velocity surface is accelerated by a constant horizontal force C) potential energy D) kinetic energy of 5.0 newtons. If 15 joules of work is done on the block by this force while accelerating it, the kinetic energy of the block increases by A) 3.0 J B) 15 J C) 20. J D) 75 J 5. A horizontal force of 20 newtons eastward causes a 10-kilogram box to have a displacement of 5 meters fid eastward. The total work done on the box by the fd 20-newton force is 10. A child does 0.20 joule of work to compress the A) 40 J B) 100 J spring in a pop-up toy. If the mass of the toy is 0.010 C) 200 J D) 1000 J kilogram, what is the maximum vertical height that the toy can reach after the spring is released? A) 20. m B) 2.0 m F 20N LON X5M . C 0.20 m D) 0.020 m 10 ky 100J 1 200 9