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 ________ 50 J 20 J 30 J 40 J 50 J 20 J 30 J 40 J ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Becomes 1/4 th Become 4 times Becomes half Is also doubled Becomes 1/4 th Become 4 times Becomes half Is also doubled ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is converted into chemical energy during Transpiration Diffusion Photosynthesis Osmosis Transpiration Diffusion Photosynthesis Osmosis 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 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 ANSWER DOWNLOAD EXAMIANS APP