Page 11 - SP015 Past Years PSPM Chapter 1 -5 Ver.2020
P. 11

PSPM SP015



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

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               31.  A car is capable of accelerating at 0.60 m s . Calculate the time needed for this car to
                                             -1
                                                                  -1
                     go from speed of 5.5 m s  to a speed of 8.0 m s .                              [3 m]



                     UPS 2013/2014  SF017  No. 1(a)(ii)

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               32.  A  world-class  runner  can  reach  a  top-speed  of  11  m  s   in  the  first  15  m  of  a  race.
                     Calculate the average acceleration of the runner.                              [3 m]



                     UPS 2014/2015  SF016  No. 1(a)(ii)

                                                                          -1
               33.  The speed of a car when passing a point P is 30 m s  and changes uniformly over a
                                               -1
                     distance of 323 m to 60 m s . Calculate the speed of the car 3 s after passing P.  [4 m]



                     PSPM 2016/2017  SF016/2  No. 2(c)

                                                   -1
               34.  A driver travelling at 100 km h  on a straight road suddenly sees a cow 32 m ahead and
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                     immediately applies the brake. His braking deceleration is 6 m s . Calculate the

                     (a)  speed when the car hits the cow.                                          [3 m]

                     (b)  minimum time that he should apply the brake so that he does not hit the cow.
                                                                                                    [1 m]



               Free Fall Motion ~ Projectile Motion  = 90


                     PSPM 2016/2017  SF016/2  No. 2(a)

               35.  Define free falling body.                                                       [1 m]



                     PSPM JAN 1999/2000  SF015/2  No. 2

               36.  A stone is thrown vertically upward from the roof of a building. Sketch separate graphs
                     of the ball in the following cases by neglecting air friction.

                     (a)  Displacement versus time.                                                 [1 m]

                     (b)  Velocity versus time.                                                     [1 m]
                     (c)  Acceleration versus time.                                                 [1 m]




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