Question

The velocity-time graph of a stone thrown vertically upward with an initial velocity of 30 m/s is shown in the figure. The velocity in the upward direction is taken as positive and that in the downward direction as negative. What is its displacement at 4 seconds? (g=9.5)​

Answer 1

Answer:

ANSWER

At minimum height v=0

∴ max height = area of △ OAB

H=

2

1

×3×30=45 m