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