Question

Power delivered to a particle varies with the time
as P = (2t+ 3)w, where t is time in second. The
change in kinetic energy between time t = 0 s to
t = 2 s will be
(1) 20 J
(2) 5 J
(3) 10 J
(4) 15 J​

Answer 1

20 Joule because on integrated

Explanation:

Power delivered to a particle varies with the time

as P = (2t+ 3)w, where t is time in second. The

change in kinetic energy between time t = 0 s to

t = 2 s will be

(1) 20 J

(2) 5 J

(3) 10 J

(4) 15 J