Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter7: Gravity
Section: Chapter Questions
Problem 1PQ: We use the terms sunset and sunrise. In what way are these terms misleading?
Related questions
Question
Consider a 10.0 g bullet shot into a 4.0 kg block that rest on a frictional
horizontal surface, where the kinetic coefficient of friction between block and surface is 0.30. The bullet takes 0.002 seconds to get lodged into the block and remains lodged in the block. The block-bullet system moves 10 cm and hits an ideal massless spring with spring constant 2500 N/m and then maximally compresses the spring by 8.0 cm.
(a) Find the initial velocity of the bullet.
(b) Find the force that the bullet feels as it comes to rest in the block. Assume this force is
constant.
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