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