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 If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects? Acceleration Velocity Momentum Kinetic Energy Acceleration Velocity Momentum Kinetic Energy ANSWER DOWNLOAD EXAMIANS APP
Physics If both the mass and the velocity of a body is increased to twice of their magnitude, the kinetic energy will increase by 4 times 16 times 8 times 2 times 4 times 16 times 8 times 2 times ANSWER DOWNLOAD EXAMIANS APP
Physics A nuclear reactor is said to have become 'critical' when It stops due to malfunctioning It is shut down to avoid explosion It starts emitting dangerous radioactive radiations It is ready to produce controlled energy It stops due to malfunctioning It is shut down to avoid explosion It starts emitting dangerous radioactive radiations It is ready to produce controlled energy ANSWER DOWNLOAD EXAMIANS APP
Physics Bats can sense obstacles because they produce Supersonic sound waves Infrasonic sound waves Ultrasonic sound waves Micro sound waves Supersonic sound waves Infrasonic sound waves Ultrasonic sound waves Micro sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics Kepler's law of planetary motion states that the square of the time period is proportional to the Square of the semi-major axis Semi-major axis Cube of the semi-major axis Fourth power of the semi-major axis Square of the semi-major axis Semi-major axis Cube of the semi-major axis Fourth power of the semi-major axis ANSWER DOWNLOAD EXAMIANS APP
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