If the motion of an object is described by x=f(t) write formulae for instantenous velocity and acceleration.

If the motion of an object is described by x = f(t) . Write formula for instantaneous velocity and acceleration.

To enable a particle to describe a circular path, what should be the angle between its velocity and acceleration?

The displacement s of a particle at time t is given by s = t^3 -4 t^2 -5t. Find the velocity and acceleration at t=2 sec

Write the formula for radius R% of a nucleus X.

A body is projected horizontally from a point above the ground. The motion of the body is described by the equations x= 2t and y=5t^2 , where x and y are the horizontal and vertical displacements (in m) respectively at time t. The trajectory of the body is

If the position vector of a body performing rectilinear motion is given by vecr = 3t^2hati + 4t^2hatj m. Find the velocity and acceleration of the particle at t= 1sec.

Identify the given sentences are true or false: If the velocity of the object does not change with time, then the object has zero acceleration.

Answer the following questions: Write the formula for the escape velocity.

Select the appropriate options and complete the following paragraph (Velocity, independent, initial velocity, dependent, gravity, friction, final velocity , direction ) The motion of any object under the influence of the force of ______ alone is called as free fall. During free fall, there will be no change in the ______ of motion of the object. But there will be a change in the magnitude of ______ of the object due to the gravitational pull of the earth . The acceleration that an object experiences during free fall is ____ of the mass of the object undergoing motion. when a body is dropped freely from a height, its ______ is zero. Whereas when a body is thrown vertically upwards, its ________ is zero .