You fire a 50g arrow that moves at an unknown speed. It hits and embeds in a 350g block that slides along a rough surface for 30cm. The coefficient of friction between the surface and the block is 0.22. At the end, the block runs into and compresses a 2500N/m spring 0.10m. a. How fast was the arrow traveling before it hits the block? b. Carefully consider any assumptions you made and explain how they affect your result.
You fire a 50g arrow that moves at an unknown speed. It hits and embeds in a 350g block that slides along a rough surface for 30cm. The coefficient of friction between the surface and the block is 0.22. At the end, the block runs into and compresses a 2500N/m spring 0.10m. a. How fast was the arrow traveling before it hits the block? b. Carefully consider any assumptions you made and explain how they affect your result.
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter9: Energy In Nonisolated Systems
Section: Chapter Questions
Problem 77PQ
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You fire a 50g arrow that moves at an unknown speed. It hits and embeds in a 350g block that slides along a rough surface for 30cm. The coefficient of friction between the surface and the block is 0.22. At the end, the block runs into and compresses a 2500N/m spring 0.10m.
a. How fast was the arrow traveling before it hits the block?
b. Carefully consider any assumptions you made and explain how they affect your
result.
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