145. A 2.0-kilogram cart moving due east at 6.0 meters per second collides with a 3.0-kilogram cart moving due west. The carts stick together and come to rest after the collision. Calculate the initial speed of the 3.0-kilogram cart. 146. A 0.180-kilogram cart traveling at 0.80 meter per second to the right collides with a 0.100-kilogram cart initially at rest. The carts lock together upon collision. Calculate the final velocity of the carts. 147. A 2.0-kilogram cart traveling north at 4.0 meters per second collides head on with a 1.0-kilogram cart traveling south at 8.0 meters per second. What is the magnitude of the total momentum of the two carts immediately after the collision? (1) 0.0 kg - m/s (2) 8.0 kg m/s (3) 16 kg - m/s (4) 32 kg - m/s
145. A 2.0-kilogram cart moving due east at 6.0 meters per second collides with a 3.0-kilogram cart moving due west. The carts stick together and come to rest after the collision. Calculate the initial speed of the 3.0-kilogram cart. 146. A 0.180-kilogram cart traveling at 0.80 meter per second to the right collides with a 0.100-kilogram cart initially at rest. The carts lock together upon collision. Calculate the final velocity of the carts. 147. A 2.0-kilogram cart traveling north at 4.0 meters per second collides head on with a 1.0-kilogram cart traveling south at 8.0 meters per second. What is the magnitude of the total momentum of the two carts immediately after the collision? (1) 0.0 kg - m/s (2) 8.0 kg m/s (3) 16 kg - m/s (4) 32 kg - m/s
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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please help with questions 145,146, and 147
Transcribed Image Text:145. A 2.0-kilogram cart moving due east at
6.0 meters per second collides with a
3.0-kilogram cart moving due west. The
carts stick together and come to rest after
the collision. Calculate the initial speed of
the 3.0-kilogram cart.
146. A 0.180-kilogram cart traveling at 0.80 meter
per second to the right collides with a
0.100-kilogram cart initially at rest. The carts
lock together upon collision. Calculate the final
velocity of the carts.
147. A 2.0-kilogram cart traveling north at
4.0 meters per second collides head on with a
1.0-kilogram cart traveling south at 8.0 meters
per second. What is the magnitude of the total
momentum of the two carts immediately after
the collision?
(1) 0.0 kg - m/s
(2) 8.0 kg m/s
(3) 16 kg m/s
(4) 32 kg - m/s
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