The power delivered to the truck of mass 1000 kg that was lifted by a garage hoist, 2 m high above the ground in 15 seconds is 1308 W.
What is power?
Power can be deifned as the rate at which work is done.
To calculate the power delivered to the truck, we use the formula below.
Formula:
- P = mgh/t.............. Equation 1
Where:
- P = Power delivered to the truck
- m = Mass of the truck
- h = Height
- g = Acceleration due to gravity
- t = time
From the question,
Given:
- m = 1000 kg
- h = 2 m
- t = 15 seconds
- g = 9.81 m/s²
Subsitute these values into equation 1
- P = (1000×2×9.81)/15
- P = 19620/15
- P = 1308 W
Hence, The power delivered to the truck of mass 1000 kg that was lifted by a garage hoist, 2 m high above the ground in 15 seconds is 1308 W.
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