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प्रश्न
State if the following situation is possible:
A body moving horizontally with an acceleration in vertical direction.
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उत्तर
No a body with an acceleration in vertical direction cannot move horizontally.
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संबंधित प्रश्न
Give one example of the following motion:
Uniform retardation
Draw a graph for acceleration against time for a uniformly accelerated motion. How can it be used to find the change in speed in a certain interval of time?
Figure given below shows a velocity-time graph for a car starting from rest. The graph has three parts AB, BC and CD.
Which part of graph shows motion with uniform
(a) velocity (b) acceleration (c) retardation ?
State its value in C.G.S. as well as in S.I. system.
A racing car is moving with a velocity of 50 m/s. On
applying brakes, it is uniformly retarded and comes to rest in 20 seconds. Calculate its acceleration.
A motorbike, initially at rest, picks up a velocity of 72 kmh−1 over a distance of 40 m. Calculate
- acceleration
- time in which it picks up above velocity.
Write the SI unit of retardation.
A car is moving with a speed of 50 km/h. One second later, its speed is 55 km/h. What is its acceleration?
Exercise Problem.
A racing car has a uniform acceleration of 4 ms–2. What distance it covers in 10 s after the start?
The slope of a velocity-time graph gives ______.
