A person moves 30 m north, then 20 m east and then 30√2 m south-west. His displacement from the origin
position is
(1) 14 m. south-west
(2) 28 m south
(3) 10 m west
(4) 15 m east
2. A car moves a distance of 200 m. It covers the first half of the distance at speed 40 km/h and second half of the distance at speed v. The average speed is 48 km/h. The value of vis
(1) 56 km/h
(2) 60 km/h
(3) 50 km/h
(4) 58 km/h
3. A particle moves from A to B in a circular path of radius R covering an angle e as shown in figure. Find the ratio of distance and magnitude of displacement of the particle.
B
R
A
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