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ra1l [238]
2 years ago
11

A force of 49 Newtons is applied to a rock, which causes it

Chemistry
1 answer:
Ket [755]2 years ago
3 0

Answer:

19.6Watts

Explanation:

Given parameters:

Force applied  = 49N

Distance  = 2m

Time  = 5s

Unknown:

Power  = ?

Solution:

Power is the rate at which work is being done;

   Power  = \frac{Work done }{time}

Work done  = force x distance  = 49 x 2 = 98J

So;

      Power  = \frac{98}{5}  = 19.6Watts

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