- #1
zumi78878
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Homework Statement
65. A 50-N force is the only force on a 2-kg object that starts from rest. When the force has been
acting for 2 s the rate at which it is doing work is:
A. 75W
B. 100W
C. 1000W
D. 2500W
E. 5000W
ans: D
66. A 50-N force is the only force a 2-kg crate that starts from rest. At the instant the object has
gone 2m the rate at which the force is doing work is:
A. 2.5W
B. 25W
C. 75W
D. 100W
E. 500W
Q1 solved but i have no idea how to do the second one!