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24. A 1200 kg car travelling at 12m/s to the east collides with a 4000 kg truck that is initially at rest at a stoplight. The car and the truck stick together and move together after the collision. What is the final velocity of the two-vehicle mass?

24. A 1200 kg car travelling at 12m/s to the east collides with a 4000 kg truck that is initially at rest at a stoplight. The car and the truck stick together and move together after the collision. What is the final velocity of the two-vehicle mass?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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24. A 1200 kg car travelling at 12m/s to the east collides with a 4000 kg truck that is initially at rest at a stoplight. The car and the truck stick together and move together after the collision. What is the final velocity of the two-vehicle mass? 25. A grocery shopper tosses a 10 kg bag of rice into a stationary 20 kg grocery cart. The bag hits the cart with a horizontal speed of 5m/s toward the front of the cart. What is the final speed of the cart and the bag? 26. A boy on a 1.8 kg skateboard initially at rest tosses a 6 kg jug of water in forward direction. If the jug has a speed of 2.6 m/s relative to the ground and the boy and the skateboard move in the opposite direction at 0.5 m/s, find the boy's mass.
Transcribed Image Text:24. A 1200 kg car travelling at 12m/s to the east collides with a 4000 kg truck that is initially at rest at a stoplight. The car and the truck stick together and move together after the collision. What is the final velocity of the two-vehicle mass? 25. A grocery shopper tosses a 10 kg bag of rice into a stationary 20 kg grocery cart. The bag hits the cart with a horizontal speed of 5m/s toward the front of the cart. What is the final speed of the cart and the bag? 26. A boy on a 1.8 kg skateboard initially at rest tosses a 6 kg jug of water in forward direction. If the jug has a speed of 2.6 m/s relative to the ground and the boy and the skateboard move in the opposite direction at 0.5 m/s, find the boy's mass.
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