Physics A ball is thrown vertically upward from the ground. It crosses a point at the height of 25 m twice at an interval of 4 seconds. The ball was thrown with the velocity of 36 m/s 30 m/s 18 m/s 25 m/s 36 m/s 30 m/s 18 m/s 25 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of the sound is highest in Air Metal Vacuum Water Air Metal Vacuum Water ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to low temperature Due to low air pressure Due to ozone Due to high humidity Due to low temperature Due to low air pressure Due to ozone Due to high humidity ANSWER DOWNLOAD EXAMIANS APP
Physics The Hydraulic Break works on the principle of ________ . Pascal's Law Boyle's law Bernouli's law Coulomb's law Pascal's Law Boyle's law Bernouli's law Coulomb's law ANSWER DOWNLOAD EXAMIANS APP
Physics Skating on ice is possible because Ice is cold The pressure on the ice due to skate raises its melting point The surface of ice is smooth The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water Ice is cold The pressure on the ice due to skate raises its melting point The surface of ice is smooth The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water ANSWER DOWNLOAD EXAMIANS APP
Physics Sound becomes hazardous noise pollution at decibels? Above 30 db Above 80 db Above 120 db Above 50 db Above 30 db Above 80 db Above 120 db Above 50 db ANSWER DOWNLOAD EXAMIANS APP
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