A particle undergoing simple harmonic motion has an amplitude $A$ and angular frequency $\omega$. What is its average speed over one complete oscillation?

A Body moves 6 m north. 8 m east and 10 m vertically upwards, what is its resultant displacement from initial position

Two cars are moving in the same direction with a speed of $30{\rm{km}}{{\rm{h}}^{ - 1}}$. They are separated from each other by 5 km. Third car moving in the opposite direction meets the two cars after an interval of 4 min. What is the speed of the third car?

Two boys are standing at the ends A and B of a ground where AB=a. The boy at B starts running in a direction perpendicular to AB with velocity ${v_1}$. The boy at A starts running simultaneously with velocity v and catches the other boy in a time t, when t is

The motion of a particle is described by the equation $x = a + b{t^2}$, where a=15 cm and b=3 $cm/{s^2}$ Its instantaneous velocity at time 3 sec will be

A particle moves for 20 seconds with velocity 3 m/s and then velocity 4 m/s for another 20 seconds and finally moves with velocity 5 m/s for next 20 seconds. What is the average velocity of the particle in m/s is

A person walks 6 km due east and then 8 km due north. What is the magnitude of their displacement from the starting point?

A moving car possesses average velocities of 5 m/s, 10 m/s and 15 m/s. In the first, second and third seconds respectively. Then the total distance covered by the car in these 3 seconds is

An object moves with a constant speed in a circular path. Is its velocity constant?

If a body covers first half of its journey with uniform speed ${V_1}$ and the second half of the journey with uniform speed ${V_2}$ then the average speed is

The length of second’s hand in a watch is 1 cm. The change in velocity of its tip in 15 seconds is