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11. A 2-kilogram object traveling 10 meters per second north has a perfect elastic collision with a 5-kilogram object traveling 4 meters per second south. What is the total momentum after collision? (1) 0 kg-m/s (2) 20 kg-m/s north (3) 20 kg-m/s south (4) 40 kg-m/s east 12. A 1.0-kilogram mass changes speed from 2.0 meters per second to 5.0 meters per second. The change in the object's momentum is (1) 9.0 kg-m/s (2) 21 kg-m/s (3) 3.0 kg-m/s (4) 29 kg-m/s 13. A 15-newton force acts on an object in a direction due east for 3.0 seconds. What will be the change in momentum of the object? (1) 45 kg-m/s due east (3) 5.0 kg-m/s east (2) 45 kg-m/s west (4) 0.20 kg-m/s west

11. A 2-kilogram object traveling 10 meters per second north has a perfect elastic collision with a 5-kilogram object traveling 4 meters per second south. What is the total momentum after collision? (1) 0 kg-m/s (2) 20 kg-m/s north (3) 20 kg-m/s south (4) 40 kg-m/s east 12. A 1.0-kilogram mass changes speed from 2.0 meters per second to 5.0 meters per second. The change in the object's momentum is (1) 9.0 kg-m/s (2) 21 kg-m/s (3) 3.0 kg-m/s (4) 29 kg-m/s 13. A 15-newton force acts on an object in a direction due east for 3.0 seconds. What will be the change in momentum of the object? (1) 45 kg-m/s due east (3) 5.0 kg-m/s east (2) 45 kg-m/s west (4) 0.20 kg-m/s west

University Physics Volume 1
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 34P: A ball of mass 250 g is thrown with an initial velocity of 25 m/s at an angle of 30 with the...
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please help with questions 11,12, and 13 thank you ?
11. A 2-kilogram object traveling 10 meters per second north has a perfect elastic collision with a 5-kilogram object traveling 4 meters per second south. What is the total momentum after collision? (1) 0 kg-m/s (2) 20 kg-m/s north (3) 20 kg-m/s south (4) 40 kg-m/s east 12. A 1.0-kilogram mass changes speed from 2.0 meters per second to 5.0 meters per second. The change in the object's momentum is (1) 9.0 kg-m/s (2) 21 kg-m/s (3) 3.0 kg-m/s (4) 29 kg-m/s 13. A 15-newton force acts on an object in a direction due east for 3.0 seconds. What will be the change in momentum of the object? (1) 45 kg-m/s due east (3) 5.0 kg-m/s east (2) 45 kg-m/s west (4) 0.20 kg-m/s west
Transcribed Image Text:11. A 2-kilogram object traveling 10 meters per second north has a perfect elastic collision with a 5-kilogram object traveling 4 meters per second south. What is the total momentum after collision? (1) 0 kg-m/s (2) 20 kg-m/s north (3) 20 kg-m/s south (4) 40 kg-m/s east 12. A 1.0-kilogram mass changes speed from 2.0 meters per second to 5.0 meters per second. The change in the object's momentum is (1) 9.0 kg-m/s (2) 21 kg-m/s (3) 3.0 kg-m/s (4) 29 kg-m/s 13. A 15-newton force acts on an object in a direction due east for 3.0 seconds. What will be the change in momentum of the object? (1) 45 kg-m/s due east (3) 5.0 kg-m/s east (2) 45 kg-m/s west (4) 0.20 kg-m/s west
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