Can a body moving in two dimensional plane has a acceleration in only one dimension? Given an example.

Can a body move on a curved path without having acceleration ?

If a body is moving with constant speed, then its acceleration

A body is rolling down an inclined plane. Its acceleration will not depend on the following:

Show that a body moving along a circular path with uniform speed has an acceleration. Derive an expression for the centripetal acceleration.

Give an example of a wave in one dimension.

Assertion : Velocity and acceleration of a particle are given as, v=hati-hatj and a=-2 hati+2 hatj This is a two dimensional motion with constant acceleration. Reason : Velocity and acceleration are two constant vectors.

Projectile motion is a two dimensional motion with constant acceleration. Is this statement true or false?

Is it possible, that a body is moving with negative acceleration still speeding up? Given reason for your answer.

A body moving in a straight line with constant acceleration covers distances a and b in successive equal time interval of t. The acceleration of the body is

(A) : When external force acting on a body moving on a rough horizontal surface is doubled, the acceleration of the body is doubled. (R ) : The acceleration of a body moving on a rough horizontal surface is proportional to the resultant force acting on it.