EASY
9th CBSE
IMPORTANT
Earn 100

What is the numerical ratio of average velocity to average speed of an object when it is moving along a straight path?

Important Questions on Motion

EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 1 - Motion>Assignment>Q 5
What does speedometer of an automobile measure? 
EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 1 - Motion>Assignment>Q 6
What do you understand by the term uniform velocity? 
 
EASY
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 1 - Motion>Assignment>Q 7
A body travels a semicircle of radius 10 cm in 5 second. Find its velocity.
MEDIUM
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 1 - Motion>Assignment>Q 8
A body can have zero average velocity but not zero average speed. Justify.
MEDIUM
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 1 - Motion>Assignment>Q 9
Mention two differences between speed and velocity. 
MEDIUM
9th CBSE
IMPORTANT
Essentials of PHYSICS Class IX>Chapter 1 - Motion>Practice Problems>Q 1
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
Essentials of PHYSICS Class IX>Chapter 1 - Motion>Practice Problems>Q 2
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
Essentials of PHYSICS Class IX>Chapter 1 - Motion>Practice Problems>Q 3
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.