An empty coal car is moving at a certain speed along a level frictionless track. (a) It begins to rain and the cart collects some rainwater. What happens to the speed of the car? (b) The rain stops and the collected rainwater leaks out from the car. What happens to the speed of the car now? Explain your answers briefly.

Newton's second law of motion states that, F = ma, where a is the acceleration of the moving object…

Answered: An empty coal car is moving at a…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter11: Collisions

Section: Chapter Questions

Problem 47PQ

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An empty coal car is moving at a certain speed along a level frictionless track. (a) It begins to rain and the cart collects some rainwater. What happens to the speed of the car? (b) The rain stops and the collected rainwater leaks out from the car. What happens to the speed of the car now? Explain your answers briefly.

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