A tennis ball hits vertically upward with the velocity of 25ms−1 and takes 4 s to reach the highest point. The maximum height reached by the ball is:
Cᵨ is expressed in S.I. unit as
To every action, there is always an equal but opposite reaction, this statement is known as:
A bus weighing 12kN has speed of 20 ms-1. Its kinetic energy is:
If 1.125 x 10k - 0.001125, then the value of k is
Ratio of sin (x°) of angle of incidence to sin (x°) of angle of refraction is
If 0.6 C charge passes through a wire in 12 s, then current flowing through wire is
In terms of velocity, symbol vi is used for
Current that changes direction after equal intervals of time is called
Branch of mechanics that deals with study of motion of an object and cause of its motion is called
Force needed to prevent a body of mass 13 kg from falling will be
Wires carrying electricity are covered with good insulator, called
A body continues its state of rest or of uniform motion in a straight line provided no net force acts on it, this statement is called
A car is moving at a speed of 36 kmh-1. Its speed expresses in ms-1 is
