Question

Figure 6 shows the velocity-time graph of the motion of a stone thrown vertically upwards.


From the graph, determine the maximum height reached by the stone.

Answer 1

at maximum height v = 0
displacement = area under the graph
=20m
 alternatively:
v2 = u² - gh
0= 202 - 2 x 10h
h= ⁴⁰⁰/₂₀
h =20m