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In the figure, the girl on the sled, weighing 70 lb, leaves point A from rest and goes down a 2% icy slope (assume no friction). She collides with her friend, weighing 60 lb, at point B, 200 feet down the slope. After colliding, they travel together down the slope on the sled. The slope is maintained, but the ice is a little rougher, with a coefficient of friction of μk = 0.15. a) How fast will they be moving immediately after they collide? b) Will they come to a stop after the collision? If so, how far will they travel until they do? If not, what will their acceleration be?

In the figure, the girl on the sled, weighing 70 lb, leaves point A from rest and goes down a 2% icy slope (assume no friction). She collides with her friend, weighing 60 lb, at point B, 200 feet down the slope. After colliding, they travel together down the slope on the sled. The slope is maintained, but the ice is a little rougher, with a coefficient of friction of μk = 0.15. a) How fast will they be moving immediately after they collide? b) Will they come to a stop after the collision? If so, how far will they travel until they do? If not, what will their acceleration be?

An Introduction to Physical Science
An Introduction to Physical Science
14th Edition
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Chapter10: Nuclear Physics
Section10.5: Nuclear Fission
Problem 2PQ
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In the figure, the girl on the sled, weighing 70 lb, leaves point A from rest and goes down a 2% icy slope (assume no friction). She collides with her friend, weighing 60 lb, at point B, 200 feet down the slope. After colliding, they travel together down the slope on the sled. The slope is maintained, but the ice is a little rougher, with a coefficient of friction of μk = 0.15. a) How fast will they be moving immediately after they collide? b) Will they come to a stop after the collision? If so, how far will they travel until they do? If not, what will their acceleration be?
A 2% Т В
Transcribed Image Text:A 2% Т В
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