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(English Medium) ICSE Class 9 - CISCE Question Bank Solutions

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Can displacement be zero even if the distance is not zero? Give one example to explain your answer.

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

When is the magnitude of displacement equal to the distance?

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

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A body when projected up with an initial velocity u goes to a maximum height h in time t and then comes back at the point of projection. The correct statement is ______________

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

A train takes 3 h to travel from Agra to Delhi with a uniform speed of 65 km h-1. Find the distance between the two cities.

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

What information about the motion of a body are obtained from the displacement-time graph?

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

Can displacement-time sketch be parallel to the displacement axis? Give a reason to your answer.

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

State how the velocity-time graph can be used to find The distance travelled by the body in a given time

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

State how the velocity-time graph can be used to find The displacement of the body in a given time.

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

What can you say about the nature of motion of a body if its displacement-time graph is A straight line parallel to the time axis?

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

What can you say about the nature of motion of a body if its displacement-time graph is A straight line inclined to the time axis with an acute angle?

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

What can you say about the nature of motion of a body if its displacement-time graph is A straight line inclined to the time axis with an obtuse angle?

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

What can you say about the nature of motion of a body if its displacement-time graph is A curve.

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

Figure shows the displacement-time graph of two vehicles A and B moving along a straight road. Which vehicle is moving faster? Give reason.

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

Draw a velocity-time graph for a body moving with an initial velocity u and uniform acceleration a. Use this graph to find the distance travelled by the body in time t.

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

How is the distance related with time for motion under uniform acceleration such as the motion of a freely falling body?

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

The following table gives the displacement of a car at different instants of time.  

Time (s) 0 1 2 3 4
Displacement (m) 0 5 10 15 20
  1. Draw the displacement-time sketch and find the average velocity of the car.
  2. What will be the displacement of the car at (i) 2.5 s and (ii) 4.5 s?
[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

A body is moving in a straight line and its displacement at various instants of time is given in the following table 

Time (s) 0 1 2 3 4 5 6 7
Displacement (m) 2 6 12 12 12 18 22 24

Plot the displacement-time graph and calculate

(i) Total distance travelled in the interval 1 s to 5 s.

(ii) Average velocity in time interval 1 s to 5 s.

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

From the displacement-time graph of a cyclist given below in the Figure, find The displacement from the initial position at the end of 10 s,

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

Figure ahead represents the displacement - time sketch of motion of two cars A and B . Find : 
(i) the distance by which the car B was initially ahead of car A.
(ii) the velocities of car A and car B.
(iii) the time in which car A catches car B.
(iv) the distance from start when the car A will catch the car B.

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined

A body at rest is made to fall from the top of a tower. Its displacement at different instants is given in the following table: 

Time (in s) 0.1 0.2 0.3 0.4 0.5 0.6
Displacement (in m) 0.05 0.20 0.45 0.80 1.25 1.80

Draw a displacement-time graph and state whether the motion is uniform or non-uniform?

[2] Motion in One Dimension
Chapter: [2] Motion in One Dimension
Concept: undefined >> undefined
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