Physics For a freely falling body, the sum of kinetic energy and potential energy is always Same Unity Variable Zero Same Unity Variable Zero ANSWER DOWNLOAD EXAMIANS APP
Physics A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________ 50 J 30 J 40 J 20 J 50 J 30 J 40 J 20 J ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Is also doubled Becomes half Become 4 times Becomes 1/4 th Is also doubled Becomes half Become 4 times Becomes 1/4 th ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is converted into chemical energy during Transpiration Photosynthesis Diffusion Osmosis Transpiration Photosynthesis Diffusion Osmosis ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Rowing a boat in the lake Paddling the bicycle to cover a distance Wind mill grinding wheat grain Driving a car to cover a distance Rowing a boat in the lake Paddling the bicycle to cover a distance Wind mill grinding wheat grain Driving a car to cover a distance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS