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 The force exerted on an object is 200 N and its mass is 100 kg. Find the acceleration of the object. 2 m 2 m/s 2 m/sq.s 2 s 2 m 2 m/s 2 m/sq.s 2 s ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun. 2 0.1 0.05 4 2 0.1 0.05 4 ANSWER DOWNLOAD EXAMIANS APP
Physics Damp clothes are dried in spin dryers by the action of Centripetal forces Centrifugal forces Central forces Non central forces Centripetal forces Centrifugal forces Central forces Non central forces ANSWER DOWNLOAD EXAMIANS APP
Physics The wave theory of light can explain Comptom effect Interference of light Black body spectrum Photoelectric effect Comptom effect Interference of light Black body spectrum Photoelectric effect ANSWER DOWNLOAD EXAMIANS APP
Physics When water freezes its density Increases Becomes Zero Decreases Remains constant Increases Becomes Zero Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
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