What is the acceleration of the block
A 10-kg block is pulled from rest along a 2 meter long horizontal surface by a rope that exerts a 50-N force directed 30o above the horizontal. The coefficient of kinetic friction is 0.31. What is the acceleration of the block?
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A rope that exerts a 50-N force directed 30o above the horizontal. The coefficient of kinetic friction is 0.31. What is the acceleration of the block?
A loaded truck can accelerate at 7.8 m/s2. It loses its load so that it is only 0.8 as massive. By what factor must the acceleration change for the same driving force?
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If the string is 9.5 m long, has a mass of 25 g and is pulled taut with a tension of 8.0 N, how much time does it take for a wave to travel from one end of the string to the other?
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