Question
Question 61:
Three speed-time graphs are given below :
Figure
Which graph represents the case of :
(i) a cricket ball thrown vertically upwards and returning to the hands of the thrower?
(ii) a trolley decelerating to a constant speed and then accelerating uniformly?
Text solutionVerified
Answer:
(i) Graph (c) represents a cricket ball thrown vertically upwards and returning to the hands of the thrower.
(ii) Graph (a) represents a trolley decelerating to a constant speed and then accelerating uniformly.
(ii) Graph (a) represents a trolley decelerating to a constant speed and then accelerating uniformly.
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Practice more questions from Physics (Lakhmir Singh)
Q1
Question 60:
The graph given alongside shows how the speed of a car changes with time :
Figure
(i) What is the initial speed of the car?
(ii) What is the maximum speed attained by the car?
(iii) Which part of the graph shows zero acceleration
(iv) Which part of the graph shows varying retardation?
(v) Find the distance travelled in first 8 hours.
Figure
(i) What is the initial speed of the car?
(ii) What is the maximum speed attained by the car?
(iii) Which part of the graph shows zero acceleration
(iv) Which part of the graph shows varying retardation?
(v) Find the distance travelled in first 8 hours.
Q2
Question 61:
Three speed-time graphs are given below :
Figure
Which graph represents the case of :
(i) a cricket ball thrown vertically upwards and returning to the hands of the thrower?
(ii) a trolley decelerating to a constant speed and then accelerating uniformly?
Figure
Which graph represents the case of :
(i) a cricket ball thrown vertically upwards and returning to the hands of the thrower?
(ii) a trolley decelerating to a constant speed and then accelerating uniformly?
Q3
Question 63:
What type of motion is represented by each one of the following graphs?
Figure
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Question Text | Question 61:
Three speed-time graphs are given below : Figure Which graph represents the case of : (i) a cricket ball thrown vertically upwards and returning to the hands of the thrower? (ii) a trolley decelerating to a constant speed and then accelerating uniformly? |
Updated On | May 19, 2022 |
Topic | Motion |
Subject | Science |
Class | Class 9 |
Answer Type | Text solution:1 Video solution: 1 |
Upvotes | 71 |
Avg. Video Duration | 5 min |