Physics For a freely falling body, the sum of kinetic energy and potential energy is always Unity Zero Same Variable Unity Zero Same Variable 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 ________ 30 J 40 J 50 J 20 J 30 J 40 J 50 J 20 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 Diffusion Transpiration Photosynthesis Osmosis Diffusion Transpiration Photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? 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 Rowing a boat in the lake Paddling the bicycle to cover a distance Wind mill grinding wheat grain ANSWER DOWNLOAD EXAMIANS APP
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