Question

a ball is thrown vertically upwards it rises with a height of 50 m and comes back to the thrower 1.)the total distance covered by the ball is zero 2.) the net displacement of the ball is zero 3.) the displacement is 100 m 4.) none of these

Answer 1

the displacement is 100m

Answer 2

the net displacement of ball is 0
because it comes back to thrower and
distance is 100m
because it thrown upwards and cover 50m
when it comes back it again cover 50m
so distance is 100m