Advertisements
Advertisements
Question
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?

Advertisements
Solution
When you come home at activa from the market and stops in front of your home. Then the velocity of active decreases with time and its v – t graph will be the same as shown on the figure.

APPEARS IN
RELATED QUESTIONS
Find the initial velocity of a car which is stopped in 10 seconds by applying brakes. The retardation due to brakes is 2.5 m/s2.
Describe the motion of a body which is accelerating at a constant rate of 10 m s–2. If the body starts from rest, how much distance will it cover in 2 s ?
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 :
Define velocity. State its unit.
Give one example of following motion :
Variable acceleration
A body starts from rest and acquires a velocity 10 m s-1 in 2 s. Find the acceleration.
When is the negative acceleration?
Multiple choice Question. Select the correct option.
At the maximum height, a body thrown vertically upwards has :
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?

A packet is dropped from a stationary helicopter, hovering at a height ‘h’ from ground level, reaches the ground in 12s. Calculate
- the value of h
- final velocity of packet on reaching the ground. (Take g = 9.8 ms−2)
