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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.
State the type of motion represented by the following sketches in Figures.
Give an example of each type of motion.
A vehicle is accelerating on a straight road. Its velocity at any instant is 30 km/h. After 2 s, it is 33.6 km/h, and after further 2 s, it is 37.2 km/h. Find the acceleration of the vehicle in m s-2. Is the acceleration uniform?
State its value in C.G.S. as well as in S.I. system.
When is the acceleration due to gravity positive?
From the diagram given below, calculate 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?
Out of energy and acceleration, which one is a vector?
State if the following situation is possible:
A body moving horizontally with an acceleration in vertical direction.
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Work out: Acceleration.
A car accelerates to a velocity of 30 m/s in 10 s and then decelerates for 20 s so that it stops. Draw a velocity-time graph to represent the motion and find:
Distance travelled
A car starts from rest and it is travelling with a velocity of 20 m/s in 10 s. What is its acceleration?
A bus can accelerate with an acceleration of 1 m/s2 . Find the minimum time for the bus to attain the speed of 100 km/s from 50 km /s.
The slope of a velocity-time graph gives ______.
If the velocity of a body does not change, then its acceleration is ______.
A boy throws a ball up and catches it when the ball falls back. In which part of the motion the ball is accelerating?
