How many joules of energy are used by a 1.0 hp motor that runs for 1.0 hr? (1 hp = 746 W)
A. 3.6 ˛ 103 J
B. 2.7 ˛ 106 J
C. 4.5 ˛ 104 J
D. 4.8 J
Answer:B
How many joules of energy are used by a 1.0 hp motor that runs for 1.0 hr? (1 hp = 746 W)
A. 3.6 ˛ 103 J B. 2.7 ˛ 106 J C. 4.5 ˛ 104 J D. 4.8 J