state gov UP Police Assistant Operator (Radio Cadre) Mock Test Physics Work Power and Energy Kinetic Energy
A car is accelerated on a levelled road and attains a speed 4 times of its initial speed. In the process the KE of car
1
becomes 4 times of its initial KE
2
becomes 8 times of its initial KE
3
becomes 16 times of its initial KE
4
becomes 64 times its initial KE