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A student attaches a rope to a 20.0 kg box of books. He pulls with a force of 90.0 N at an
angle of 30.0° with the horizontal and walks to the left. The coefficient of kinetic friction
between the box and the sidewalk is 0.500. Find the acceleration of the box. physics please
 one year ago
 one year ago
A student attaches a rope to a 20.0 kg box of books. He pulls with a force of 90.0 N at an angle of 30.0° with the horizontal and walks to the left. The coefficient of kinetic friction between the box and the sidewalk is 0.500. Find the acceleration of the box. physics please
 one year ago
 one year ago

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KainuiBest ResponseYou've already chosen the best response.0
Draw a picture and label everything you know.
 one year ago

Alfonso92Best ResponseYou've already chosen the best response.1
F=m*a 90*cos(30)0.5*(20)*9.81=20*a a=1.0079m/s^2
 one year ago

KainuiBest ResponseYou've already chosen the best response.0
Almost, but remember the coefficient of kinetic friction is not the force itself.
 one year ago
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