Answer :
Answer:
it's answer is 5 seconds,
Explanation:
Given
Power (p) = 400 watt
work (w) = 2000 J
time taken (t) = ?
we know that,
p = w/t
400 = 2000 / t
t = 2000/400
Therefore t = 5 sec
Answer:
it's answer is 5 seconds,
Explanation:
Given
Power (p) = 400 watt
work (w) = 2000 J
time taken (t) = ?
we know that,
p = w/t
400 = 2000 / t
t = 2000/400
Therefore t = 5 sec