A bird files due north at velocity 20 `ms^(-1)` for 15s it rests for 5s and then files due south at velocity `24 ms^(-1)` for 10s. For the whole trip find the average speed and magnitude of average velocity

An object moving with a velocity of 50 ms^(-1) comes to rest after 20 s. What is its initial velocity ?

Ocean waves of time period 10 s have wave velocity 15 ms^(-1) . Find the wavelength of these waves .

A body moves with a velocity of 10 m/s for 10 s and then with a velocity of 20 m/s in the same direction for 40 s. Find its average velocity.

A body moves in the southern direction for 10 s at the speed of 10 ms^(-1) . It then starts moving in the eastern direction at the speed of 20 ms^(-1) for 10 s , The magnitude of the average velocity is …………………………, The averge speed is ……………………., The total displacement will be .....................,

A body moves in the southern direction for 10 s at the speed of 10 ms^(-1) . It then starts moving in the eastern direction at the speed of 20 ms^(-1) for 10 s , The magnitude of the average velocity is …………………………, The averge speed is ……………………., The total displacement will be .....................,

A particle moves for 1 minute with a velocity of 15 m/s and moves for 0.5 minute with a velocity of 10 m/s. the average speed of particle is

Find the resultant of two velocities, on 30 ms^(-1) due east and other 40 ms^(-1) due north.