## Question

### Solution

#### SIMILAR QUESTIONS

The velocity of light emitted by a source S, observed by an observe O, who is at rest with respect to S, is c. If the observe moves away from S with velocity v, the velocity of light as observed will

A drunkard is waking along a straight road. He takes 5 steps forward and 3 steps backward and so on. each step is 1 m long and takes 1s. There is a pit on the road 11 m away from the starting point. The drunkard will fall into the pit after

A person moves 30 m north and then 30 m towards east and finally 30 m in south-west direction. The displacement of the person from the origin will be

If a particle travels n equal distance with speeds v1, v2,......... vn, then the average speed fo the particle will be

The deceleration experienced by a moving motor boat, after its engine is cut-off is given by dv/dt = – k v^{3}, where k is constant. If v_{0} is the magnitude of the velocity at cut-off, the magnitude of the velocity at a time t after the cut-off is

For motion of an object along x-axis, the velocity v depends on the displacement x as v = 3x^{2} – 2x. What is the acceleration at x = 2m.

A particle moves from A to B. The ratio of distance to displacement is

Person is going 40 m, north, then 30 m east and then 30 m southwest. The net displacement will be

A particle is moving along the path *y* = 4*x*^{2}. The distance and displacement from *x* = 1 to *x* = 2 is (nearly)

The resistive force suffered by a motor boat is αV_{2} where V is instantaneous velocity. The engine was shut down when the velocity of the boat was V_{0}. Find the average velocity at any time t.