A particle of mass m is moving with a uniform velocity `v_(1)`. It is given an impulse such that its velocity becomes `v_(2)`. The impulse is equal to

A person travelling on a straight line moves with a uniform velocity v_(1) for a distance x and with a uniform velocity v_(2) for the next equal distacne.The averahe velocity v is given by

A particle of mass m1 is moving with a velocity v_(1) and another particle of mass m_(2) is moving with a velocity v2. Both of them have the same momentum but their different kinetic energies are E1 and E2 respectively. If m_(1) gt m_(2) then

A particle of mass m1 is moving with a velocity v_(1) and another particle of mass m_(2) is moving with a velocity v2. Both of them have the same momentum but their different kinetic energies are E1 and E2 respectively. If m_(1) gt m_(2) then

A car travelling on a straight road moves with a uniform velocity v_(1) for some time and with uniform velocity v_(2) for the next equal time. The average velocity of the car is

A person travelling on a straight line moves with a uniform velocity v_1 for some time and with uniform velocity v_2 for the next equal time. The average velocity v is given by