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प्रश्न
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?
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उत्तर
The figure shows that the car is moving with uniform acceleration. i.e. when velocity of car increases equally in equal intervals of time.
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संबंधित प्रश्न
Name the physical quantity whose SI unit is :
(a) m/s (b) m/s2
Define velocity. What is the SI unit of velocity ?
Name the quantity which is measured by the area occupied under the velocity-time graph.
A motorcycle moving with a speed of 5 m/s is subjected to an acceleration of 0.2 m/s2. Calculate the speed of the motorcycle after 10 seconds, and the distance travelled in this time.
A train travelling at 20 m s-1 accelerates at 0.5 m s-2 for 30 s. How far will it travel in this time ?
Derive the formula : v = u + at, where the symbols have usual meanings.
Which of the following could not be a unit of acceleration?
State how the velocity-time graph can be used to find
The acceleration of a body
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?
The velocity-time graph (Fig. 8.5) shows the motion of a cyclist. Find (i) its acceleration (ii) its velocity and (iii) the distance covered by the cyclist in 15 seconds.
