Page 13 - SP015 Past Years PSPM Chapter 1 -5 Ver.2020

PSPM SP015

PSPM 2008/2009 SF017/2 No. 10(b)

-1
42. A stone is thrown vertically upwards with initial velocity 24 m s . Calculate the

(a) displacement of the stone after 4.0 s. [3 m]
(b) velocity of the stone at 10 m above the point of launch. [3 m]

(c) time to reach maximum height. [2 m]

PSPM 2011/2012 SF016/2 No. 2(b)

43. A ball is thrown vertically upwards. It reaches a maximum height and returns to its
initial position.

(a) Is the acceleration of the ball zero at the maximum height? State the reason for
your answer. [2 m]

(b) Sketch TWO graphs: displacement against time and velocity against time for the
whole journey of the ball. [4 m]

PSPM 2012/2013 SF016/2 No. 2(b)

-1
44. An object is thrown vertically downward at 5 m s from a height of 30 m. Calculate

(a) the speed of the object just before it hits the ground. [2 m]

(b) the time taken by the object to reach the ground. [2 m]

PSPM 2013/2014 SF016/2 No. 2(b)

45.
t

800 m

FIGURE 2.11

-1
A bullet is fired vertically upwards with an initial speed of 600 m s . Calculate the time
interval, t for the bullet to be 800 m above ground as shown in FIGURE 2.11. [3 m]

13