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प्रश्न
Give one example of following motion :
Variable acceleration
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उत्तर
Example of variable acceleration: The motion of a vehicle on a crowded road is with variable acceleration.
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संबंधित प्रश्न
Give one example of a situation in which a body has a certain average speed but its average velocity is zero.
Fill in the following blank with suitable word :
A motorcycle has a steady……………. of 3 m/s2. This means that every………………. its…………….. increases by………….
Fill in the following blank with a suitable word:
Acceleration is the rate of change of ______ It is measured in ______
A bus running at a speed of 18 km/h is stopped in 2.5 seconds by applying brakes. Calculate the retardation produced.
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 ?
Explain the meaning of the following equation of motion :v = u + at, where symbols have their usual meanings.
A car acquire a velocity of 72 km per hour in 10 second starting from rest. Find
(1) the acceleration,
(2) the average velocity, and
(3) the distance travelled in this time.
A bus increases its speed from 36 km/h to 72 km/h in 10 seconds. Its acceleration is :
How can you find the following?
Velocity from acceleration – time graph.
When will you say a body is at uniform acceleration?
