Advertisements
Advertisements
प्रश्न
From the diagram given below, calculate deceleration.

Advertisements
उत्तर

Deceleration = Slope of v.t. graph from A to B
= `"AC"/"CB"=15/(16-10)=15/6` = 2.5 ms−2
APPEARS IN
संबंधित प्रश्न
What is meant by the term retardation? Name its S.I. unit.
A space craft flying in a straight course with velocity of 75 km s-1 fires its rocket motors for 6.0 s. At the end of this time its speed is 120 km s-1 in the same direction.
Find
(i) The space craft's average acceleration while the motors were firing
(ii) The distance travelled by the space craft in the first 10 s after the rocket motors were started, the motors being in action for only 6 s.
Draw velocity – time graph for the following situation:
When a body is moving with variable velocity and variable acceleration.
A cyclist driving at 5 ms−1, picks a velocity of 10 ms−1, over a distance of 50 m. Calculate
- acceleration
- time in which the cyclist picks up above velocity.
What is the SI unit of acceleration?
The initial velocity of a car is 10 ms-1. It moves with an acceleration of 2 ms-2. What will be its speed after 10 seconds?
What happens to the stepwise increasing speed-time graph when the size of each step is made very small?
Negative acceleration is called ______.
What do you understand about negative acceleration?
A quantity has a value of 16ms-2. It is the ______.
