Physics A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height? 4.65 sec 3.44 sec 2.87 sec 5.41 sec 4.65 sec 3.44 sec 2.87 sec 5.41 sec ANSWER DOWNLOAD EXAMIANS APP
Physics The Solar energy produced by Combustion reaction Fusion reaction None Fission reaction Combustion reaction Fusion reaction None Fission reaction ANSWER DOWNLOAD EXAMIANS APP
Physics In hydro power station, the motion produced in turbines is due to Flow of water Burning of coal Production of steam Burning of diesel Flow of water Burning of coal Production of steam Burning of diesel ANSWER DOWNLOAD EXAMIANS APP
Physics The rotational effect of a force on a body about an axis of rotation is described in terms of Moment of force Centripetal force Centre of gravity Centrifugal force Moment of force Centripetal force Centre of gravity Centrifugal force ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has a very low specific heat Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has high temperature coefficient of expansion Has a very low specific heat Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has high temperature coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Physics The dimensional formula for universal gravitational constant is M–2 ML2T–2 M 1L3T2 M–1L3T–2 M–2 ML2T–2 M 1L3T2 M–1L3T–2 ANSWER DOWNLOAD EXAMIANS APP
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