(-8^3)^2 A) (-8) B) (-8)^5 C) (-8)^6 D) 163
1 answer:
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Answer:
It takes 534.54 watts
Step-by-step explanation:
Given :
Mass of the book = 30kg
Distance = 10m
Time = 5.5 sec
To Find:
How much power did it take = ?
Solution:
Step 1: calculate the work done
Work done =
where
m = mass
a = acceleration due to gravity
d = distance
Substituting the values,
Work done =
=> 2940 Nm
Step 2: calculate the Power
We know that
Substituting the values,
Power = 534.54 watts
