Advertisements
Advertisements
Question
From the diagram given below, calculate acceleration.
Solution
Acceleration = Slope of v.t. graph from O to A
= `"AC"/"OC"=15/10` = 1.5 ms−2
APPEARS IN
RELATED QUESTIONS
A body is moving vertically upwards. Its velocity changes at a constant rate from 50 m s-1 to 20 m s-1 in 3 s. What is its acceleration?
A train starts from rest and accelerates uniformly at a rate of 2 m s-2 for 10 s. It then maintains a constant speed for 200 s. The brakes are then applied and the train is uniformly retarded and comes to rest in 50 s. Find
(i) The maximum velocity reached,
(ii) The retardation in the last 50 s,
(iii) The total distance travelled,
(iv) The average velocity of the train.
An aeroplane lands at 216 kmh−1 and stops after covering a runway of 2 m. Calculate the acceleration and the time, in which it comes to rest.
A motor bike running at 5 ms−1, picks up a velocity of 30 ms−1 in 5s. Calculate
- acceleration
- distance covered during acceleration.
Define acceleration.
Can you use the relation [B1]?
State if the following situation is possible:
A body moving horizontally with an acceleration in vertical direction.
Interpret the following graph:
A car accelerates uniformly from a velocity of 18 km/h to 36 km/h in 15 min. What is its acceleration?
The value of acceleration for a body at rest is ______.