A bomb of mass 21 kg kept at rest explodes in two parts in ratio of masses 2:5, the lighter part travels with a speed of 50 m/s then heavier mass travels with a speed ( in m/s) of:

A bomb of mass 16kg at rest explodes into two pieces of masses 4 kg and 12 kg. The velolcity of the 12 kg mass is 4 ms^-1 . The kinetic energy of the other mass is

A bomb of mass 3.0 kg explodes in air into two pieces of masses 2.0 kg and 1.0 kg . The smaller mass goes at a speed of 80 m//s . The total energy imparted to the two fragments is :

A bomb of mass 5m at rest explodes into three parts of masses 2m , 2m and m . After explosion, the equal parts move at right angles with speed v each. Find speed of the third part and total energy released during explosion.

A bomb of mass 30 kg at rest explodes into two pieces of mass 18 kg and 12 kg . The velocity of mass 18 kg is 6 m//s . The kinetic energy of the other mass is

A bomb of mass 30 kg at rest explodes into two pieces of mass 18 kg and 12 kg . The velocity of mass 18 kg is 6 m//s . The kinetic energy of the other mass is

A stone of mass m_(1) moving at uniform speed v suddenly explodes into two fragments. If the fragment of mass m_(2) is at rest, the speed of the other fragment is

A shell of mass 20 kg at rest explodes into two fragments whose masses are in the ratio 2 : 3 . The smaller fragment moves with a velocity of 6 m//s . The kinetic energy of the larger fragment is

A shell of mass 20 kg at rest explodes into two fragments whose masses are in the ratio 2 : 3 . The smaller fragment moves with a velocity of 6 m//s . The kinetic energy of the larger fragment is

A bomb of mass 4m explodes into two parts of mass ratio 1 : 3. If k be the kinetic energy of larger part then K.E. of small part

A stationary shell of mass M explodes in to two parts and their masses are in the ratio 2:3, then the ratio of their deBroglie wavelengths is