You are standing on a large sheet of frictionless ice and holding a large rock. In order to get off the ice, you throw the rock so it has velocity 12.0 m/s relative to the earth at an angle of 35.0∘ above the horizontal. Your mass is 77.0 kg and the rock’s mass is 3.00 kg.  a) What is your speed after you throw the rock?

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 79PQ: A cart filled with sand rolls at a speed of 1.0 m/s along a horizontal path without friction. A ball...
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You are standing on a large sheet of frictionless ice and holding a large rock. In order to get off the ice, you throw the rock so it has velocity 12.0 m/s relative to the earth at an angle of 35.0∘ above the horizontal. Your mass is 77.0 kg and the rock’s mass is 3.00 kg. 

a) What is your speed after you throw the rock?

 
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