A scientist wants to figure out the coefficient of friction between a wooden box and a brick walkway outside of his house. He determines that the box weighs 20 kg and that the force of friction when he slides it is 163 N. What is the coefficient of friction between the box and the walkway?
Answers: 2
Physics, 21.06.2019 19:40
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Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen
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The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.
Answers: 3
A scientist wants to figure out the coefficient of friction between a wooden box and a brick walkway...
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