Physics When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion? Acceleration Displacement Velocity Energy Acceleration Displacement Velocity Energy ANSWER DOWNLOAD EXAMIANS APP
Physics Kinetic energy depends on The velocity or speed of the moving body. The mass of the moving body The pressure of the moving body Both mass and velocity of the moving body The velocity or speed of the moving body. The mass of the moving body The pressure of the moving body Both mass and velocity of the moving body ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a non renewable source of energy ? Coal Solar Wind Biogas Coal Solar Wind Biogas ANSWER DOWNLOAD EXAMIANS APP
Physics Where does hydroelectric energy come from? Water All of these Air Solar Water All of these Air Solar ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is lighter than iron Copper is a better conductor of electricity than iron Copper can take higher power than iron Copper is cheaper than iron Copper is lighter than iron Copper is a better conductor of electricity than iron Copper can take higher power than iron Copper is cheaper than iron ANSWER DOWNLOAD EXAMIANS APP
Physics A person does some work of 1,000 J in 2 s. His power will be ________ 1000W 25W 500W 50W 1000W 25W 500W 50W ANSWER DOWNLOAD EXAMIANS APP
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