Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 21 km/sec 18 km/sec 11.2 km/sec 35 km/sec 21 km/sec 18 km/sec 11.2 km/sec 35 km/sec ANSWER DOWNLOAD EXAMIANS APP
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? 5.41 sec 2.87 sec 3.44 sec 4.65 sec 5.41 sec 2.87 sec 3.44 sec 4.65 sec ANSWER DOWNLOAD EXAMIANS APP
Physics A pilot has to release the bomb to hit a target Right above the target Before the target Beyond the target None of these Right above the target Before the target Beyond the target None of these ANSWER DOWNLOAD EXAMIANS APP
Physics When a bottle of perfume is opened in one corner of a room the smell spreads soon throughout the room. This is an example of Diffusion Viscosity Surface tension Capillarity Diffusion Viscosity Surface tension Capillarity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is preferred for accelerating electrons? Cyclotron Van de Graft Generator Synchrotron Betatron Cyclotron Van de Graft Generator Synchrotron Betatron ANSWER DOWNLOAD EXAMIANS APP
Physics Who enunciated the laws of planetary motion? Galileo Johannes Kepler Isaac Newton Nicolaus Copernicus Galileo Johannes Kepler Isaac Newton Nicolaus Copernicus ANSWER DOWNLOAD EXAMIANS APP
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