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(a) A 10.0 g wad of sticky clay is hurled horizontally at a 110 g wooden block initially at rest on a horizontal surface. The clay sticks to the block. After impact, the block slides 7.50 m before coming to rest. If the coefficient of friction between block and surface is 0.650, what was the speed of the clay (in m/s) immediately before impact? m/s (b) What If? Could static friction prevent the block from moving after being struck by the wad of clay if the collision took place in a time interval At = 0.100 s? Explain your answer. Yes, a slightly larger coefficient of static friction could reasonably prevent the block from moving. No, the coefficient of static friction that would be required is unrealistically large.

(a) A 10.0 g wad of sticky clay is hurled horizontally at a 110 g wooden block initially at rest on a horizontal surface. The clay sticks to the block. After impact, the block slides 7.50 m before coming to rest. If the coefficient of friction between block and surface is 0.650, what was the speed of the clay (in m/s) immediately before impact? m/s (b) What If? Could static friction prevent the block from moving after being struck by the wad of clay if the collision took place in a time interval At = 0.100 s? Explain your answer. Yes, a slightly larger coefficient of static friction could reasonably prevent the block from moving. No, the coefficient of static friction that would be required is unrealistically large.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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(a) A 10.0 g wad of sticky clay is hurled horizontally at a 110 g wooden block initially at rest on a horizontal surface. The clay sticks to the block. After impact, the block slides 7.50 m before coming to rest. If the coefficient of friction between block and surface is 0.650, what was the speed of the clay (in m/s) immediately before impact? m/s (b) What If? Could static friction prevent the block from moving after being struck by the wad of clay if the collision took place in a time interval At = 0.100 s? Explain your answer. Yes, a slightly larger coefficient of static friction could reasonably prevent the block from moving. No, the coefficient of static friction that would be required is unrealistically large.
Transcribed Image Text:(a) A 10.0 g wad of sticky clay is hurled horizontally at a 110 g wooden block initially at rest on a horizontal surface. The clay sticks to the block. After impact, the block slides 7.50 m before coming to rest. If the coefficient of friction between block and surface is 0.650, what was the speed of the clay (in m/s) immediately before impact? m/s (b) What If? Could static friction prevent the block from moving after being struck by the wad of clay if the collision took place in a time interval At = 0.100 s? Explain your answer. Yes, a slightly larger coefficient of static friction could reasonably prevent the block from moving. No, the coefficient of static friction that would be required is unrealistically large.
A 9.7-g bullet is fired into a stationary block of wood having mass m = 4.98 kg. The bullet imbeds into the block. The speed of the bullet-plus-wood combination immediately after the collision is 0.610 m/s. What was the original speed of the bullet? (Express your answer with four significant figures.) 4.0 m/s
Transcribed Image Text:A 9.7-g bullet is fired into a stationary block of wood having mass m = 4.98 kg. The bullet imbeds into the block. The speed of the bullet-plus-wood combination immediately after the collision is 0.610 m/s. What was the original speed of the bullet? (Express your answer with four significant figures.) 4.0 m/s
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