3 years ago

A winch is capable of hauling a ton of bricks vertically two stories (6.35 m ) in 24.5 s .

Physics

2 answers:

sasho [114]3 years ago

8 0

Answer:

53 % efficient

Explanation:

6.35 m converts to 20.83 ft

2000 lb (20.83 ft) / (24.5 s) = 1700 ft•lb/s

1700 ft•lb/s / (550 ft•lb/s / hp) = 3.09 hp

3.09 / 5.80 = 0.5330...

maxonik [38]3 years ago

3 0

Answer: 84 %

Explanation:

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