What type of motion is the motion of tip of seconds hand of a watch?

Newton's second law of motion gives us a measure of 

Example for oscillatory motion is

The sound produced by musical instruments in big halls may linger even after the instrument stops producing sound. This is known as

Which force has the following situation such as motor cyclist revolving in a circus globe?

A car which travels through the road with different velocities in equal intervals of time is said to have

 The distances travelled by a body falling freely from rest in the first ,second and third seconds respectively are in the ratio:

The reflected sound is called

Path of a projectile is known as

A projectile has maximum range when the angle of projection is