EASY
9th CBSE
IMPORTANT
Earn 100

What does speedometer of an automobile measure? 

Important Questions on Motion

EASY
9th CBSE
IMPORTANT
What do you understand by the term uniform velocity? 
 
EASY
9th CBSE
IMPORTANT
A body travels a semicircle of radius 10 cm in 5 second. Find its velocity.
MEDIUM
9th CBSE
IMPORTANT
A body can have zero average velocity but not zero average speed. Justify.
MEDIUM
9th CBSE
IMPORTANT
Mention two differences between speed and velocity. 
MEDIUM
9th CBSE
IMPORTANT
A train 100 m long is moving with a velocity of 60 km h-1. Find the time it takes to cross the bridge 1 km long.
MEDIUM
9th CBSE
IMPORTANT
A car covers a distance x while moving at 54 km h-1 in 15 second. The value of x is.
MEDIUM
9th CBSE
IMPORTANT
On a 120 km track, a train travels the just 30 km at a uniform speed of 30 kmh. Calculate the speed with which the train should move rest of the track so as to get average speed of 60 kmh for the entire trip.
MEDIUM
9th CBSE
IMPORTANT
A girl moves with the speed of 6 km h-1 for 2 h and with the speed of 4 km h-1 for the next 3 h. Find the average speed of the girl and the total distance moved.