07 HW6-2 Conservation_of_momentum

# 07 HW6-2 Conservation_of_momentum - b Create the momentum...

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#______NAME_____________________________________PERIOD______DATE_________________ Conservation of Momentum HW 6-2 1. Old cannons were built on carts with wheels. The wheels helped when moving the cannon and they would allow the cannon to recoil when fired. When a 150 kg cannon and cart recoils at 1.5 m/s, at what velocity would a 10 kg cannonball leave the cannon? a. Generate a picture of the situation. b. Create the momentum conservation equation. c. Find the velocity of the 10 kg cannonball. (-22.5 m/s) 2. On an icy road, a 5000 kg truck traveling at 14 m/s rear ends a 1200 kg car traveling at 13 m/s. As a result, the truck slows down to 12 m/s. What is the final velocity of the car? a. Generate a picture of the situation.

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Unformatted text preview: b. Create the momentum conservation equation. c. Find the final velocity of the car. (21.33 m/s) 3. A 620 kg moose stands in the middle of the railroad tracks in Sweden, frozen by the lights of an oncoming 10,000 kg locomotive traveling at 10 m/s. The engineer tries to slow the train down in time to avoid hitting the moose, but fails. The moose survives the hit, and is carried down the remaining track sitting on the locomotives cowcatcher (the front part of train engine). What is the final velocity of the locomotive and moose after the collision? a. Generate a picture of the situation. b. Create the momentum conservation equation. c. Find the final velocity of the locomotive and moose. (9.41 m/s)...
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