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प्रश्न
Correct your friend who says that acceleration gives the idea of how fast the position changes.
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उत्तर
There are two possible answers:
Velocity gives an idea of how fast the position changes, or Acceleration gives an idea of how fast the velocity changes.
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संबंधित प्रश्न
Define acceleration. State its unit.
From the diagram given below, calculate acceleration.
A cyclist driving at 5 ms−1, picks a velocity of 10 ms−1, over a distance of 50 m. Calculate
- acceleration
- time in which the cyclist picks up above velocity.
A motor bike running at 5 ms−1, picks up a velocity of 30 ms−1 in 5s. Calculate
- acceleration
- distance covered during acceleration.
A motor bike running at 90 kmh−1 is slowed down to 18 kmh−1 in 2.5 s. Calculate
- acceleration
- distance covered during slow down.
Define acceleration.
What does a positive acceleration mean?
A body falls towards the earth. Does it have positive or negative acceleration?
Distinguish between uniformly and non-uniformly accelerated motions.
Sketch the shape of the velocity-time graph for a body moving with:
Uniform acceleration.
Convert the following acceleration:
1/36 m/s2 into km/h2
A car is moving with a speed of 50 km/h. One second later, its speed is 55 km/h. What is its acceleration?
Negative acceleration is called ______.
The slope of a velocity-time graph gives ______.
The speed of a particle is constant. Will it have acceleration? Justify with an example.
A bus accelerating with 4ms-2 changes its speed from 60ms_1 to a certain value in 5s. The final speed is ______.
If a moving body comes to rest, then its acceleration is ______.
Acceleration is defined as the rate of change of ______.
A car is being driven at a speed of 20ms-1 when brakes are applied to bring it to rest in 5 s. The deceleration produced in this case will be ______.
When a body is said to be in
- uniform acceleration
- non–uniform acceleration?
