How much power is used in a machine that produces 15 Joules of work in 3 seconds? Use the formula P = W/t. A. 3 Watts B. 5 Watts C. 18 Watts D. 45 Watts

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asked Apr 1, 2018 169k views

5 votes

How much power is used in a machine that produces 15 Joules of work in 3 seconds? Use the formula P = W/t.

A. 3 Watts
B. 5 Watts
C. 18 Watts
D. 45 Watts

Physics
high-school

Themantalope asked

by Themantalope

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1 Answer

7 votes

p=w/t

w=15
t=3
therefore, 5 watts (b)

Morteza Kavakebi answered Apr 6, 2018

by Morteza Kavakebi

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