just watch the units:
9.6 J/s * 3.0s = 28.8 J
The height lifted is irrelevant, since that will just be part of the work.
A student expends 9.6W of power lifting a textbook 0.50m in 3.0s with a constant velocity. How much work is done?
2 answers
9.6 J/s * 3.0s = 28.8 J
The height lifted is irrelevant, since that will just be part of the work.
The height lifted is irrelevant, since that will just be part of the work.