A body of mass 5 kg is moving with a velocity of 10 m/s. Now, a force which delivers a constant power of 75 W is applied on it for 10 s in the same direction. The velocity of the body after 10 s will be:
a) ( 50 , m/s )
b) ( 30 , m/s )
c) ( 60 , m/s )
d) ( 40 , m/s )
