Home
Class 11
PHYSICS
A car is moving on a straight road. The ...

A car is moving on a straight road. The velocity of the car varies with time as shown in the figure. Initially (at t=0), the car was at `x=0`, where, x is the position of the car at any time 't'.

The variation of acceleration (a) with time (t) will be best represented by :-

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
D
Positive slopes have positive acceleration, negative slopes have negative acceleration.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • KINEMATICS

    ALLEN |Exercise Comprehension#3|5 Videos

  • KINEMATICS

    ALLEN |Exercise Comprehension#4|3 Videos

  • KINEMATICS

    ALLEN |Exercise Comprehension#1|3 Videos

  • ERROR AND MEASUREMENT

    ALLEN |Exercise Part-2(Exercise-2)(B)|22 Videos

  • KINEMATICS (MOTION ALONG A STRAIGHT LINE AND MOTION IN A PLANE)

    ALLEN |Exercise BEGINNER S BOX-7|8 Videos

Similar Questions

Explore conceptually related problems

A car is moving on a straight road. The velocity of the car varies with time as shown in the figure. Initially (at t=0), the car was at x=0 , where, x is the position of the car at any time 't'. The maximum displacement from the starting position will be :-

A car is moving on a straight road. The velocity of the car varies with time as shown in the figure. Initially (at t=0), the car was at x=0 , where, x is the position of the car at any time 't'. Average speed from t=0 to t=70 s will be :-

Knowledge Check

  • If the displacement at time 't' is x = acost, the acceleration is .......

    A
    ` cos t `
    B
    `-a cos t `
    C
    `a sin t`
    D
    `-a sin t`

    • Similar Questions

    Explore conceptually related problems

    A car is moving on a straight road. The velocity of the car varies with time as shown in the figure. Initially (at t=0), the car was at x=0 , where, x is the position of the car at any time 't'. The displacement time graph will be best represented by :-

    A car is moving on a straight road. The velocity of the car varies with time as shown in the figure. Initially (at t=0), the car was at x=0 , where, x is the position of the car at any time 't'. The time interval during which the car is retarding can be :-

    The position of moving object at time 't', x=2t^(3), then find the acceleration.

    The dependence of the acceleration of a body with time is shown in Figure. At t=0 , the velocity of the body is -3m//s and position is x=0 m .

    A car is moving along a straight horizontal road with a speed v_(0) . If the coefficient of friction between the tyres and the road is mu , the shortest distance in which the car can be stopped is

    The graph shown the variation with times t of the velocity v of an object . Which one of the following graphs best represents the variation of acceleration a of the object with time t ?

    Relation between displacement x and time t is x=2-5t+6t^(2) , the initial acceleration will be :-

    Home
    Profile