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प्रश्न
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 ?
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उत्तर
(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.
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संबंधित प्रश्न
Fill in the following blank with suitable word :
In a speed-time graph, the area enclosed by the speed-time curve and the time axis gives the…………….. by the body.
Name the two quantities, the slope of whose graph give acceleration.
Study the speed-time graph of a car given alongside and answer the following questions:
(i) What type of motion is represented by OA ?
(ii) What type of motion is represented by AB ?
(iii) What type of motion is represented by BC ?
(iv) What is the acceleration of car from O to A ?
(v)What is the acceleration of car from A to B ?
(vi) What is the retardation of car from B to C ?
What type of motion is represented by the following graph ?
Multiple choice Question. Select the correct option.
A graph is a straight line parallel to the time axis in a distance-time graph. From the graph, it implies:
Draw displacement – time graph for the following situation:
When a body is stationary.
A train starting from rest picks up a speed of 20 ms−1 in 200 s. It continues to move at the same rate for the next 500 s and is then brought to rest in another 100 s.
- Plot a speed-time graph.
- From graph calculate
(a) uniform rate of acceleration
(b) uniform rate of retardation
(c) total distance covered before stopping
(d) average speed.
The area of the right triangle under a speed-time graph is 500 m, in a time interval of 20 s. What is the speed of the body? Is the motion uniform or non-uniform?
Sketch the shape of the velocity-time graph for a body moving with:
Uniformly velocity
The given graph shows the variation of velocity (v) with position (x) for a particle moving along a straight line
Which of the following graph shows the variation of acceleration (a) with position (x)?
