## Question

### Solution

Correct option is

#### SIMILAR QUESTIONS

Q1

If displacement of a particle is zero, the distance covered

Q2

The numerical value of the ratio of average velocity to average speed is

Q3

The moving body is covering the displacement directly proportional to the square of the time. The acceleration of the body is

Q4

If two balls of same density but different masses are dropped from a height of 100 m, then (neglect air resistance)

Q5

Cheek up only the correct statement in the following

Q6

The position x of a particle varies with time (t) as x = at– bt. The acceleration at time t of the particle will be equal to zero, where t is equal to

Q7

A body covers one-third of the distance with a velocity v1, the second one-third of the distance with a velocity v2 and the remaining distance with a velocity v3. The average velocity is

Q8

Between the two station, a train accelerates from res uniformly at first, then moves with constant velocity and finally retards uniforms to come to rest. If the ratio of the time taken be 1 : 8 : 1 and the maximum speed attained be 60 km/h, then what is the average speed over the whole journey ?

Q9

A particle moving in a straight line covers half the distance with speed of 3 m/s. The other half of the distance is covered in two equal time intervals with speeds of 4.5 m/s and 7.5 m/s, respectively. The average speed of the particle during this motion is

Q10

The relation between time t and distance x is where are constant. The retardation is