Physics For a freely falling body, the sum of kinetic energy and potential energy is always Unity Variable Zero Same Unity Variable Zero Same 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 ________ 40 J 20 J 50 J 30 J 40 J 20 J 50 J 30 J ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Becomes half Is also doubled Become 4 times Becomes 1/4 th Becomes half Is also doubled Become 4 times Becomes 1/4 th ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is converted into chemical energy during Osmosis Photosynthesis Diffusion Transpiration Osmosis Photosynthesis Diffusion Transpiration ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Wind mill grinding wheat grain Rowing a boat in the lake Paddling the bicycle to cover a distance Driving a car to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake Paddling the bicycle to cover a distance Driving a car to cover a distance ANSWER DOWNLOAD EXAMIANS APP
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