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? 3.44 sec 5.41 sec 4.65 sec 2.87 sec 3.44 sec 5.41 sec 4.65 sec 2.87 sec ANSWER DOWNLOAD EXAMIANS APP
Physics In spherical polar coordinates (l, q, a), q denotes the polar angle around z-axis and a denotes the azimuthal angle raised from x-axis . Then the y-component of P is given by Pcosq sina Psinq cosa Pcosq cosa Psinq sina Pcosq sina Psinq cosa Pcosq cosa Psinq sina ANSWER DOWNLOAD EXAMIANS APP
Physics A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s2) is: 6 7 5 3 6 7 5 3 ANSWER DOWNLOAD EXAMIANS APP
Physics In quantum mechanics a particle is represented by a Wave packet None of these Wave Particle Wave packet None of these Wave Particle ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ? Moon Saturn Earth Venus Moon Saturn Earth Venus ANSWER DOWNLOAD EXAMIANS APP
Physics In a particular system, the units of length, mass and time are chosen to be 10 cm, 10 g and 0.1 s respectively. The unit of force in this system will be equivalent to 10 N 1 N 100 N 0.1 N 10 N 1 N 100 N 0.1 N ANSWER DOWNLOAD EXAMIANS APP
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