Physics The function of ball bearings in a wheel is : To convert static friction into kinetic friction To increase friction Just for convenience To convert kinetic friction into rolling friction To convert static friction into kinetic friction To increase friction Just for convenience To convert kinetic friction into rolling friction ANSWER DOWNLOAD EXAMIANS APP
Physics Conservation of energy refers to the fact that If you conserve energy you will not be as tired No chemical reaction is 100 percent efficient The entropy of the universe is always increasing Energy cannot be created or destroyed but can be converted from one form to another If you conserve energy you will not be as tired No chemical reaction is 100 percent efficient The entropy of the universe is always increasing Energy cannot be created or destroyed but can be converted from one form to another ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel in Vacuum Hydrogen gas Water Glass Vacuum Hydrogen gas Water Glass ANSWER DOWNLOAD EXAMIANS APP
Physics Energy that is produced commercially from coal is called Light energy Potential energy Kinetic energy Thermal energy Light energy Potential energy Kinetic energy Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Physics The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because The glass of the bell jar absorbs the sound waves The ringing is not loud enough The bell jar is too small There is no air or any other gas in the bell jar The glass of the bell jar absorbs the sound waves The ringing is not loud enough The bell jar is too small There is no air or any other gas in the bell jar ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of stone is immersed in water, it displaces water of equal Mass Density Specific gravity Volume Mass Density Specific gravity Volume ANSWER DOWNLOAD EXAMIANS APP
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