Advertisements
Advertisements
प्रश्न
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?
Advertisements
उत्तर
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
संबंधित प्रश्न
Which of the two can be zero under certain conditions : average speed of a moving body or average velocity of a moving body ?
Name the physical quantity whose SI unit is :
(a) m/s (b) m/s2
A bus was moving with a speed of 54 km/h. On applying brakes it stopped in 8 seconds. Calculate the acceleration.
Derive the formula : v = u + at, where the symbols have usual meanings.
A bus increases its speed from 36 km/h to 72 km/h in 10 seconds. Its acceleration is :
Differentiate between uniform acceleration and variable acceleration.
If a stone and a pencil are dropped simultaneously in vacuum from the top of a tower, then which of the two will reach the ground first? Give reason.
Write three equations of uniformly accelerated motion relating the initial velocity (u), final velocity (v), time (t), acceleration (a) and displacement (S).
Multiple choice Question. Select the correct option.
At the maximum height, a body thrown vertically upwards has :
An object starting from rest travels 20 m in the first 2 s and 160 m in the next 4 s. What will be the velocity after 7 s from the start?
