Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 40

EASY

9th CBSE

IMPORTANT

Earn 100

A person moves a distance of $3 km$ towards east, then $2 km$ towards north and $3.5 km$ towards east. Find displacement of the person.

Important Questions on Motion

MEDIUM

9th CBSE

IMPORTANT

Together with Science Class 9>Chapter 8 - Motion>ASSESS YOURSELF>Q 41

On a

120 km

track a train travels the first

30 km

at a uniform speed of

30 km / h

. Calculate the speed with which the train should move rest of the track so as to average

60 km / h

for the entire trip.