Advertisements
Advertisements
प्रश्न
Which of the following could not be a unit of acceleration?
पर्याय
km/s2
cm s−2
km/s
m/s2
Advertisements
उत्तर
km/s
Acceleration is defined as the rate of change of velocity.
APPEARS IN
संबंधित प्रश्न
A bus decreases its speed from 80 km h−1 to 60 km h−1 in 5 s. Find the acceleration of the bus.
Explain why, the motion of a body which is moving with constant speed in a circular path is said to be accelerated.
A body starting from rest travels with uniform acceleration. If it travels 100 m in 5 s, what is the value of acceleration ?
A bus was moving with a speed of 54 km/h. On applying brakes it stopped in 8 seconds. Calculate the acceleration.
A train starting from stationary position and moving with uniform acceleration attains a speed of 36 km per hour in 10 minutes. Find its acceleration.
A freely falling object travels 4.9 m in 1st second, 14.7 m in 2 nd second, 24.5 m in 3rd second, and so on. This data shows that the motion of a freely falling object is a case of :
When a car driver travelling at a speed of 10 m/s applies brakes and brings the car to rest in 20 s, then retardation will be :
What do you understand by the term acceleration?
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?
Area under a v – t graph represents a physical quantity which has the unit
