HARD
9th CBSE
IMPORTANT
Earn 100

A girl walks along a straight path to drop a letter in the letterbox and comes back to her initial position. Her displacement-time graph is shown in figure. Plot a velocity-time graph for the same.

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Important Questions on Motion

HARD
9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 8 - Motion>Short Answer Questions>Q 15
A car starts from rest and moves along the x-axis with constant acceleration 5 m s-2 for 8 seconds. If it then continues with constant velocity, what distance will the car cover in 12 seconds since it started from the rest?
MEDIUM
9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 8 - Motion>Short Answer Questions>Q 16
A motorcyclist drives from A to B with a uniform speed of 30 km h-1 and returns back with a speed of 20 km h-1. Find its average speed.
EASY
9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 8 - Motion>Short Answer Questions>Q 17

The velocity-time graph shows the motion of a cyclist. Find its acceleration.

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EASY
9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 8 - Motion>Short Answer Questions>Q 17

The velocity-time graph shows the motion of a cyclist. Find its velocity.

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EASY
9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 8 - Motion>Short Answer Questions>Q 17

The velocity-time graph shows the motion of a cyclist. Find the distance covered by the cyclist in 15 seconds.

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HARD
9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 8 - Motion>Short Answer Questions>Q 18
Draw a velocity versus time graph of a stone thrown vertically upwards and then coming downwards after attaining the maximum height. 
HARD
9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 8 - Motion>Long Answer Questions>Q 19
An object is dropped from rest at a height of 150metre and simultaneously another object is dropped from rest at a height 100metre. What is the difference in their heights after 2 s if both the objects drop with same accelerations? How does the difference in heights vary with time? 
HARD
9th CBSE
IMPORTANT
NCERT Exemplar Science - Class 9>Chapter 8 - Motion>Long Answer Questions>Q 20
An object starting from rest travels 20 m in first 2 s and 160 m in next 4 s. What will be the velocity after 7 s from the start?