Home
Class 12
PHYSICS
A block of mass 10 kg accelerates unifor...

A block of mass 10 kg accelerates uniformly from rest to a speed of 2 m/s in 20 sec. The average power developed in time interval of 0 to 20 sec is

A

10 W

B

2 W

C

20 W

D

2 W

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

An 8 kg block accelerates uniformly from rest to a velocity of 4 m s^(-1) in 40 second. The instantaneous power at the end of 8 second is P xx 10^(-2) watt. Find the value of P.

If a car at rest, accelerates uniformly to a speed of 144 km//h in 20s , it covers a distance of

A body of mass m , accelerates uniformly from rest to V_(1) in time t_(1) . The instantaneous power delivered to the body as a function of time t is.

A body of mass m accelerates uniformly from rest to v_1 in time t_1 . As a function of time t, the instantaneous power delivered to the body is

A block of mass 1kg start moving with constant acceleration a=4m//s_(2) Find. (a) average power of the net force in time inteval from t=0 to t=2s , (b) instantaneous power of the net force at t=4 s .

A car starts from rest and accelerates uniformly to a speed of 180 kmh^(-1) in 10 s. The distance covered by the car in the time interval is

A car of mass 1000kg accelerates uniformly from rest to a velocity of 54km//h in 5 seconds. Calculate (i) its acceleration (ii) its gain in KE (iii) average power of the engine during this period.

A 5kg mass is accelerated from rest to 60 m/s in 1 sec. what force acts on it:

A car starting from rest accelerates uniformly to acquire a speed 20 km h^(-1) in 30 min. The distance travelled by car in this time interval will be :

A motor cyclist accelerate from rest with acceleration of 2 m//s^(2) for a time of 10 sec . Then he moves with a constant velocity for 20 sec and then finally comes to rest with a deceleration of 1 m//s^(2) . Average speed for complete journey is :-