Page 4 - SP015 Past Years PSPM Chapter 1 -5 Ver.2020

PHYSICS PSPM SEM 1 1999 - 2017

UPS 2007/2008 SF017 No. 2(a)(i)

9. Is it possible that an object moving at a non-zero velocity has a zero acceleration?
Explain. [2 m]

PSPM JAN 2000/2001 SF015/2 No. 10(d)

10. The motion of a particle along x-direction to the function time t is given by equation
2
x = 3t
(a) Sketch a graph of x versus t for the above equation. [2 m]
(b) Calculate the instantaneous velocity at t = 3.0 s [2 m]
(c) Calculate its acceleration. [1 m]

PSPM JUN 2000/2002 SF015/2 No. 2

11. X Y
0.6 m

FIGURE 2.1

-1
An object moves from X to Y at a constant speed of 4.0 m s in a semi-circular path of
radius 0.6 m as shown in FIGURE 2.1, calculate
(a) the time taken. [2 m]
(b) the average velocity. [2 m]

PSPM 2002/2003 SF017/2 No. 10(b)

12. a (m s )
-2

2

0 t (s)
2 4 6 8 10

–2

FIGURE 2.2

FIGURE 2.2 shows acceleration versus time graph for the motion of a body. The body
-1
has initial velocity u = –6 m s at time t = 0 s.
(a) Calculate the time when velocity equals zero. [3 m]
(b) Sketch velocity versus time graph for the motion of the body. [2 m]

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