Motion Quiz 3 – Punjab Meritorious School Preparation Portal

Welcome to your Motion Quiz 3 CBT TEST

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Question is mentioned below :

be independent of α and β

drop to zero α = β

go on decries decreasing with time

go on increasing with time

Question is mentioned below :

be independent of β

drop to zero when α = β

go on decreasing with time

go on increasing with time.

The position x of a particle with respect to time t along x-axis is given by x = 〖9t〗^2 – t^3 where x is in metres and t in seconds. What will be the position of this particle when it achieves maximum speed along the +x direction?

54 m

81 m

24 m

32 m

Question is mentioned below :

A particle moves in a straight line with a constant acceleration. It changes its velocity from 10 m s–1 to 20 m s–1 while passing through a distance 135 m in t second. The value of t is

1.8

Question is mentioned below :

A car accelerates from rest at a constant rate α for some time after which it decelerates at a constantrate β and comes to rest. If total time elapsed is t, then maximum velocity acquired by car will be

The displacement time graph of a moving particle is shown below

The instantaneous velocity of the particle is

A car moving with a speed of 40 km/h can be stopped by applying brakes after atleast 2 m. If the same car is moving with a speed of 80 km/h, what is the minimum stopping distance?

8 m

6 m

4 m

2 m

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