Advertisements
Advertisements
प्रश्न
Which of the following could not be a unit of acceleration?
पर्याय
km/s2
cm s−2
km/s
m/s2
उत्तर
km/s
Acceleration is defined as the rate of change of velocity.
APPEARS IN
संबंधित प्रश्न
Give one example of a situation in which a body has a certain average speed but its average velocity is zero.
What is meant by the term acceleration ? State the SI unit of acceleration.
Fill in the following blank with suitable word :
If a body moves with uniform velocity, its acceleration is ..............
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.
A boy is sitting on a merry-go-round which is moving with a constant speed of 10 m s−1. This means that the boy is :
The slope of a speed-time graph gives:
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?
A body is thrown vertically upward with velocity u, the greatest height h to which it will rise is,
Area under a v – t graph represents a physical quantity which has the unit