Question

A CAR MOVES WITH 60 KM/H FOR 1 HR IN EAST DIRECTION WITH SAME SPEED FOR 30 MIN IN SOUTH DIRECTION. THE DISPLACEMENT OF CAR FROM INITIAL POSITION IS
1. 60 KM
2. 30√3KM
3. 30√5 KM
4. 60√2 KM

Answer 1

DISTANCE COVERED IN EAST = 60KM
DISTANCE COVERED IN SOUTH!= 30KM

DISPLACEMENT = √60^2 + 30^2
= √3600+900 = √4500 KM

Answer 2

2. 30 km to North direction