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A 50n box is lifted 2 meters in 3 seconds. a. how much work is done for the box? b. is the work or positive? c. how much power is needed to lift the box?

A 50n box is lifted 2 meters in 3 seconds. a. how much work is done for the box? b. is the work or positive? c. how much power is needed to lift the box?
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2 votes
A 50n box is lifted 2 meters in 3 seconds.

a. how much work is done for the box?

b. is the work or positive?

c. how much power is needed to lift the box?

asked
User Mikhaela
by
8.0k points

1 Answer

2 votes

F=G=50 N

L=F*d=50*2=100 J

is the work

P=L/t=100/3=33.33 W

answered
User Igor Pejic
by
8.1k points
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