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प्रश्न
Fill in the following blank with suitable word :
Velocity is the rate of change of……………………… It is measured in.............. .
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उत्तर
Velocity is the rate of change of displacement, It is measured in m/s .
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संबंधित प्रश्न
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 cheetah starts from, rest, and accelerates at 2 m/s2 for 10 seconds. Calculate :
(a) the final velocity
(b) the distance travelled.
Derive the formula : v = u + at, where the symbols have usual meanings.
Differentiate between uniform acceleration and variable acceleration.
State how the velocity-time graph can be used to find
The acceleration of a body
A body, initially at rest, starts moving with a constant acceleration 2 m s-2. Calculate: (i) the velocity acquired and (ii) the distance travelled in 5 s.
How can you find the following?
Acceleration from velocity – time graph.
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?
An object starting from rest travels 20 m in the first 2 s and 160 m in the next 4 s. What will be the velocity after 7 s from the start?
