A student drags a 3 kg box 5 m across a rough floor with a force of 40 N. A frictional force of 10 N resists the motion of the box. A) Calculate the work done by the student. B) Calculate the work done by friction. C) Determine the net work done on the box. D) If the box started from rest, how fast is it going at it approaches 5 m?

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Chapter5: Energy
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Problem 4P: a shopper in a supermarket pushes a cart with a force of 35 N directed at an angle of 25 below the...
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3. A student drags a 3 kg box 5 m across a rough floor with a force of 40 N. A frictional force of 10 N
resists the motion of the box.
A) Calculate the work done by the student.
B) Calculate the work done by friction.
C) Determine the net work done on the box.
D) If the box started from rest, how fast is it going at it approaches 5 m?
has a yelocity of 8
Transcribed Image Text:3. A student drags a 3 kg box 5 m across a rough floor with a force of 40 N. A frictional force of 10 N resists the motion of the box. A) Calculate the work done by the student. B) Calculate the work done by friction. C) Determine the net work done on the box. D) If the box started from rest, how fast is it going at it approaches 5 m? has a yelocity of 8
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