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Class XI Physics Motion in a Straight Line Quiz 1

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Question 1

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 speed of 4.5 m/s and 7.5 m/s respectively. The average speed of the particle during this motion is

Question 2

The displacement-time graph of a moving particle is shown below. The instantaneous velocity of the particle is negative at the point

Question 3

The velocity-time graphs of a tiger and a deer are shown in the figure. What will be the difference of the distances at t= 25s travelled by tiger and deer.

Question 4

A particle is dropped vertically from rest from a height. The time taken by it to fall through successive distances of 1 m each will then be

Question 5

If a ball is thrown vertically upwards with speed u, the distance covered during the last t seconds of its ascent is

Question 6

A man throws balls with the same speed vertically upwards one after the other at an interval of 2 seconds. What should be the speed of the throw so that more than two balls are in the sky at any time (Given g = 9.8 m/s2)

Question 7

A particle P is sliding down a frictionless hemispherical bowl. It passes the point A at t = 0. At this instant of time, the horizontal component of its velocity is v. A bead Q of the same mass as P is ejected from A at t = 0 along the horizontal string AB (see figure) with the speed v. Friction between the bead and the string may be neglected. Let tP and tQ be the respective time taken by P and Q to reach the point B. Then

Question 8

A particle of mass m moves on the x-axis as follows : it starts from rest at t = 0 from the point x = 0 and comes to rest at t = 1 at the point x = 1. No other information is available about its motion at intermediate time (0 < t < 1). If α denotes the instantaneous acceleration of the particle, then
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Apr 30JEE & BITSAT

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Avinash KumarAvinash KumarMember since Feb 2017
Don't quit, suffer now and live the rest of your life as a champion. -Muhammad Ali
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