How many joules of energy are used by a 1.0-hp motor that runs for 1.0 hour? (1 hp = 746 W)

Name: How many joules of energy are used by a 1.0-hp motor that runs for 1.0 hour? (1 hp = 746 W)
Brand: Quizplus
Rating: 4.9 (53 reviews)

Question

Quizplus · Accepted Answer

To find the energy in joules used by a 1.0-hp motor running for 1.0 hour, we convert horsepower to watts (1 hp = 746 W), then multiply by the number of seconds in an hour (3600 seconds). So, $746 \, \text{W} \times 3600 \, \text{s} = 2,685,600 \, \text{J} = 2.7 \, \text{MJ}$.

How Many Joules of Energy Are Used by a 1