A 120 g ball moving to the right at 4.2 m/s catches up and collides with a 450 g ball that is moving to the right at 1.2 m/s. Part A If the collision is perfectly elastic, what is the speed of the 120 g ball after the collision? Express your answer to two significant figures and include the appropriate units. ► View Available Hint(s) V1 = Submit Part C ЦА Value Units ? If the collision is perfectly elastic what is the speed of the 450 g ball after the collision? Review | Constants

A 120 g ball moving to the right at 4.2 m/s catches up and collides with a 450 g ball that is moving to the right at 1.2 m/s. Part A If the collision is perfectly elastic, what is the speed of the 120 g ball after the collision? Express your answer to two significant figures and include the appropriate units. ► View Available Hint(s) V1 = Submit Part C ЦА Value Units ? If the collision is perfectly elastic what is the speed of the 450 g ball after the collision? Review | Constants

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 92AP: A car crashes into a large tree that does not move. The car goes from 30 m/s to 0 in 1.3 m. (a) What...

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Question

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A 120 g ball moving to the right at 4.2 m/s catches
up and collides with a 450 g ball that is moving to the
right at 1.2 m/s.
Part A
If the collision is perfectly elastic, what is the speed of the 120 g ball after the collision?
Express your answer to two significant figures and include the appropriate units.
► View Available Hint(s)
V1 =
Submit
Part C
μA
Value
Units
?
If the collision is perfectly elastic, what is the speed of the 450 g ball after the collision?
Express your answer to two significant figures and include the appropriate units.
Review | Constants

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