Advertisements
Advertisements
प्रश्न
From the velocity – time graph given below, calculate deceleration in region BC.
Advertisements
उत्तर
Deceleration in the region B = +Slope of v.t. graph from B to C
= `"BG"/"GC"=(14-6)/(16-12)=8/4` = 2 ms−2
APPEARS IN
संबंधित प्रश्न
Distinguish between acceleration and retardation.
Figure shows the velocity-time graphs for two cars A and B moving in the same direction. Which car has greater acceleration? Give reasons to your answer.
The change in velocity of a motorbike is 54 kmh−1 in one minute. Calculate its acceleration in (a) ms−2 (b) kmh−2.
Diagram is given below shows velocity – time graph of car P and Q, starting from the same place and in the same direction. Calculate the Acceleration of car Q between 2 s – 5 s.
Write the SI unit of retardation.
A car is moving with a speed of 50 km/h. One second later, its speed is 55 km/h. What is its acceleration?
Correct your friend who says that acceleration gives the idea of how fast the position changes.
Exercise Problem.
A racing car has a uniform acceleration of 4 ms–2. What distance it covers in 10 s after the start?
m/s2 is the unit of ______.
A boy throws a ball up and catches it when the ball falls back. In which part of the motion the ball is accelerating?
