Read the statement carefully.A particle in one - dimensional motion with zero speed at any instant may have non zero acceleration at that instant.Suggestan example to make the above statement clear.

Read the statement carefully.A particle in one - dimensional motion with zero speed at any instant may have non zero acceleration at that instant.Define instantaneous acceleration.

Read the statement carefully.A particle in one - dimensional motion with zero speed at any instant may have non zero acceleration at that instant.Write the calculus notation for Instantaneous acceleration.

Read each statement below carefully and state with reasons and examples, if it is true or false, A particle in one-dimensional motion: a) with zero speed at an instant may have non-zero acceleration at that instant, b)with zero speed may have non-zero velocity, c)with constant speed must have zero acceleration, d)with positive value of acceleration must be speed-ing up.

A stone tied to the end of a string 80 cm long is whirled in a horizontal circle with a constant speed.What is the angle between velocity and acceleration at any instant of motion?