Question

Comprehension Type:
Rate of doing work is called power p=
dw
dt = w
dt
9.
If work done is given by W = 3t', what is it power at t = 1 sec
1) 2 W
2) 24 W
3) 9 W
4) 12 W
10. Power applied to the particle varies with time as P = (2t + 2) w, find the
work done by it at t-2 sec
1) 2 J
2) 9 J
3) 2/3 J
4) 8 J
11. If Power applied is 20 watt to do work W = 2tº, how much time is taken to
complete work?
1) 3 sec
2) 10 sec
3) 4 sec
4) 5 sec
Matrix Match Type:
Column.I
Column - II​

Answer 1

Answer:

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