A machine of efficiency 8 is used to raise a bo... - WAEC Physics 2000 Question
A machine of efficiency 8% is used to raise a body of mass 75kg through a vertical height of 3m in 30s. Calculate the power input. (g = 10ms-2)
A
9.4W
B
60.0W
C
75.0W
D
93.8W
correct option: d
Please share this, thanks:
Add your answer
No responses