Advertisements
Advertisements
प्रश्न
Fill in the following blank with a suitable word:
Acceleration is the rate of change of ______ It is measured in ______
Advertisements
उत्तर
Acceleration is the rate of change of velocity, It is measured in m/s2.
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 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 :
The slope of a speed-time graph gives:
Define velocity. State its unit.
Differentiate between uniform acceleration and variable acceleration.
A body starts from rest and acquires a velocity 10 m s-1 in 2 s. Find the acceleration.
What do you understand by the term acceleration?
An electron moving with a velocity of 5 × 104 ms−1 enters into a uniform electric field and acquires a uniform acceleration of 104 ms–2 in the direction of its initial motion.
(i) Calculate the time in which the electron would acquire a velocity double of its initial velocity.
(ii) How much distance the electron would cover at this time?
