Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Physics Motion
A body of mass ‘m’ is moving with a velocity ‘v’ along a straight line. If the mass and velocity are doubled, then find the ratio of the final kinetic energy to the initial kinetic energy.
1
1 : 8
2
4 : 1
3
8 : 1
4
More than one of the above
5
None of the above