EASY
9th CBSE
IMPORTANT
Earn 100

An athlete completes one round of a circular track of diameter 200 m in 40 s. What will be the distance covered and the displacement at the end of 2 min 20 s?

Important Questions on Motion

MEDIUM
9th CBSE
IMPORTANT
Joseph jogs from one end A to the other end B of a straight 300 m road in 2 min 30 s and then turns around and jogs 100 m back to point C in another 1 min. What are Joseph’s average speeds and velocities in jogging from A to B?
MEDIUM
9th CBSE
IMPORTANT
Joseph jogs from one end A to the other end B of a straight 300 m road in 2 min 30 s and then turns around and jogs 100 m back to point C in another 1 min. What are Joseph’s average speeds and velocities in jogging from A to C?
MEDIUM
9th CBSE
IMPORTANT
Abdul, while driving to school, computes the average speed for his trip to be 20 km/h. On his return trip along the same route, there is less traffic, and the average speed is 30 km/h. What the average speed for Abdul’s trip is?
EASY
9th CBSE
IMPORTANT
A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of 3.0 m/s2 for 8.0 s. How far does the boat travel during this time?
HARD
9th CBSE
IMPORTANT
A driver of a car traveling at 52 km/h applies the brakes and accelerates uniformly in the opposite direction.The car stops in 5 s. Another driver going at 3 km/h in another car applies his brakes slowly and stops in 10 s. On the same graph paper, plot the speed versus time graphs for the two cars. Which of the two cars travelled farther after the brakes were applied?
EASY
9th CBSE
IMPORTANT
Figure shows the distance-time graph of three objects A, B and C. Study the graph and answer the following question:
Question Image
Which of the three is travelling the fastest?
EASY
9th CBSE
IMPORTANT
Figure shows the distance-time graph of three objects A, B and C. Study the graph and answer the following question:

464653

 

Are all three ever at the same point on the road?
MEDIUM
9th CBSE
IMPORTANT

Figure shows the distance-time graph of three objects A, B and C. Study the graph and answer the following question:
Question Image
How far has C travelled when B passes A?