Question #af34e

1 Answer
Grace
Aug 12, 2015

147 W

Explanation:

The formula for power is
![empoweryourknowledgeandhappytrivia.wordpress.com](useruploads.socratic.org)
And we know that F= ma
where a- acceleration due to gravity i.e. a= 9.8 m/s^2
d (distance) = 5 m, time (t)= 20 s, mass (m) = 60 kg

Substituting these values,
P = (ma * d) /t

P = (ma * 5) /20

P = (60*9.8 *5) /20

P= 147 W

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