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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
A ball is thrown vertically upward and it returns back to earth after some time. In this situation, the graph will the same as that shown in the figure.
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संबंधित प्रश्न
Fill in the following blank with suitable word :
Velocity is the rate of change of……………………… It is measured in.............. .
Fill in the following blank with a suitable word:
Acceleration is the rate of change of ______ It is measured in ______
What term is used to denote the change of velocity with time ?
What is meant by the term acceleration ? State the SI unit of acceleration.
Fill in the following blank with suitable word :
If a body moves with uniform velocity, its acceleration is ..............
Explain why, the motion of a body which is moving with constant speed in a circular path is said to be accelerated.
Derive the formula s= `ut+1/2at^2` , where the symbols have usual meanings.
A bus increases its speed from 36 km/h to 72 km/h in 10 seconds. Its acceleration is :
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?
An electron moving with a velocity of 5 × 104 ms−1 enters into a uniform electric field and acquires a uniform acceleration of 104 ms–2 in the direction of its initial motion.
(i) Calculate the time in which the electron would acquire a velocity double of its initial velocity.
(ii) How much distance the electron would cover at this time?
