MEDIUM
9th CBSE
IMPORTANT
Earn 100

The distance between Delhi and Agra is 200 km. A train travels the first 100 km with a speed of 50 km h-1. How fast must the train travel the next 100 km , so as to average 70 km h-1 for the whole journey?

Important Questions on Motion

MEDIUM
9th CBSE
IMPORTANT
A train travels the first 15 km at a uniform speed of 30 km h-1; the next 75 km at a uniform speed of 50 km h-1; and the last 10 km at a uniform speed of 20 km h-1. Calculate the average speed for the entire train journey?
EASY
9th CBSE
IMPORTANT
A car is moving along a straight road at a steady speed. It travels 150 m in 5 s. What is its average speed?
EASY
9th CBSE
IMPORTANT
A car is moving along a straight road at a steady speed. It travels 150 m in 5 s. How far does it travel in one second?
EASY
9th CBSE
IMPORTANT
A car is moving along a straight road at a steady speed. It travels 150 m in 5 s. How far does it travel in 6 seconds?
EASY
9th CBSE
IMPORTANT
A car is moving along a straight road at a steady speed. It travels 150 m in 5 s. How long does it take to travel 240 m?
EASY
9th CBSE
IMPORTANT
A particle is moving in a circular path of radius r. The displacement after half a circle would be:
MEDIUM
9th CBSE
IMPORTANT
The numerical ratio of displacement to distance for a moving object is:
EASY
9th CBSE
IMPORTANT
A boy is sitting on a merry-go-round which is moving with a constant speed of 10 m s-1. This means that the boy is: