#28-Sign Convention
(Physics) > Motion in A Straight Line
Unable to watch the video, please try another server
Related Practice Questions :

 

A ball is thrown upward with a certain speed. It passes through the same point at 3 second and 7 second from the start. The maximum height achieved by the ball is

1.  500 m

2.  250 m

3.  125 m

4.  450 m

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


A stone falls freely from rest from a height h and it travels a distance 9h25 in the last second. The value of h is:

1. 145 m

2. 100 m

3. 122.5 m

4. 200 ms

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


A bullet loses 120 of its velocity passing through a plank. The least number of planks required to stop the bullet is (All planks offers same retardation)

(1) 10

(2) 11

(3) 12

(4) 23

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


A point moves with uniform acceleration and v1, v2 and v3 denote the average velocities in the three successive intervals of time t1, t2 and t3. Which of the following relations is correct ?

(1) (v1v2):(v2v3)=(t1t2):(t2+t3)

(2) (v1v2):(v2v3)=(t1+t2):(t2+t3)

(3) (v1v2):(v2v3)=(t1t2):(t1t3)

(4) (v1v2):(v2v3)=(t1t2):(t2t3) 

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The initial velocity of the particle is 10 m/sec and its retardation is 2 m/sec2. The distance moved by the particle in 5th second of its motion is 

(1) 1 m

(2) 19 m

(3) 50 m

(4) 75 m

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: