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प्रश्न
How will you use a speed-time graph to find whether the acceleration of the body is uniform or not?
उत्तर
A straight line curve on speed time graph indicates that acceleration of the body is uniform and a zigzag or curved line indicates that acceleration of a body is not uniform.
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संबंधित प्रश्न
Derive the following equation of motion by the graphical method : v2 = u2 + 2as, where the symbols have their usual meanings.
Three speed-time graphs are given below :
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 ?
Define speed. What is its S.I. unit?
Draw displacement – time graph for the following situation:
When a body is stationary.
A ball is thrown up vertically and returns back to thrower in 6 s. Assuming there is no air friction, plot a graph between velocity and time. From the graph calculate
- deceleration
- acceleration
- total distance covered by ball
- average velocity.
Its time-displacement graph is a straight line.
Interpret the following graph:
The area under velocity – time graph represents the ______
State whether true or false. If false, correct the statement.
If the velocity – time graph of a particle is a straight line inclined to X-axis then its displacement – time graph will be a straight line.
An object is moving in a positive direction with positive acceleration. The velocity-time graph with constant acceleration which represents the above situation is: