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Power applied to particle varies with time as  ,where t is in second. Find the change in its kinetic energy  between t=1s and t=4s

a)

32 J

b)

46 J

c)

61 J

d)

102 J



Question ID - 1 | SaraNextGen Top Answer

Power applied to particle varies with time as  ,where t is in second. Find the change in its kinetic energy  between t=1s and t=4s

a)

32 J

b)

46 J

c)

61 J

d)

102 J

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

The instantaneous power is the limiting value of the average power as the time interval  approaches zero.

Given

127 votes


127