Grade 12th pass10 grade science
A body of mass m moving with velocity v makes a head on collision with another body of mass 2m which is initially at rest. The ratio of kinetic energies of colliding body before and after collision will be:
A. 9:1
B. 1:1
C. 4:1
D. 2:1
A body of mass m moving with velocity v makes a head on collision with another body of mass 2m which is initially at rest. The ratio of kinetic energies of colliding body before and after collision will be:
A. 9:1
B. 1:1
C. 4:1
D. 2:1
