7/26/2019 Ub1 f4 Edited

1/3

Section B.Answer allquestions.

1. Diagram 1.1 shows an oscillating pendulum.

Rajah 1.1 menunjukkan ayunan bandul

Diagram 1.1 /Rajah 1.1

(a) Based on Diagram 1.1, choose the correct path for one complete oscillation. Tick ( )

the correct answer in the box provided.Berdasarkan Rajah 1.1, pilih laluan yang betul bagi satu ayunan lengkap. Tandakan

( ) pada jawapan yang betul pada kotak yang disediakan.

!

!"

!"! #1

mark$

(b) The stop watch in Diagram 1.% shows the time taken for the pendulum to make %&

complete oscillations.

Diagram 1. 2/Rajah 1.

Based on Diagram 1.%, state

Berdasarkan Rajah 1. nyatakan

(i) The smallest division of the stop watch ,

Bahagian terke!il pada jam randik

''''''''. s #1 mark$

(ii) The time taken for %& complete oscillations, "asa bagi # ayunan lengkap

1

7/26/2019 Ub1 f4 Edited

2/3

''''''''. s #1mark$

(c) hat is the tpe of phsical *uantit for time+ Tick () the correct answer in the box

provided.

Apakah jenis kuantiti $i%ik bagi masa& Tandakan pada jawapan yang betul di kotak

yang disediakan.

calar *uantit -ector *uantit #1

mark $

2. Diagram shows a section of ticker tape obtained from the motion of a batter/driven to

car using a ticker/timer of fre*uenc 0& 2.Rajah ' menunjukkan satu keratan pita detik

yang diperolehi daripada pergerakan sebuah kereta mainan yang digerakkankan oleh

tenaga bateri menggunakan jangka masa detik ber$rekuensi # %.

Diagram 3Rajah '

a) hat is the time, in second, represented b each tick+

Berapakah masa, dalam saat, yang diwakili oleh setiap detik&

..........................................................................................................................................

#1 mark$

b) ow would ou describe the motion of the to car+

Bagaimanakah anda boleh terangkan mengenai pergerakan kereta mainan tersebut&

.................................................................................................................................................................

..........................................................................................................................................................

# % marks$

c) Based on Diagram , calculate the average velocit of the to car at the instances when the

displacements are as labeled.

Berdasarkan Rajah ', kirakan halaju purata kereta mainan tersebut pada sesaran seperti

dilabelkan

(i) &.4 cm

#% mark$

(ii) %.& cm

#% mark$

d) Based on the answers in (c)(i) and (c)(ii), calculate the acceleration of the to car.

Berdasarkan jawapan pada '(!)(i) dan '(!)(ii), kirakan pe!utan kereta mainan tersebut.

%

7/26/2019 Ub1 f4 Edited

3/3

#% marks$

. "a5ah 6.% menun5ukan 7ereta 8 ber5isim 1&&& kg bergerak pada la5u & m s/1

berlanggar dengan kereta B ang ber5isim 9&& kg ang bergerak dengan la5u 1& m s/1

di hadapan kereta 8.The move separatel after the collision

*iagram +. shows ar A o$ mass 1### kg tra-eling at '# m s1!ollides with ar B o$

mass /## kg tra-eling at 1# m s1in $ront o$ !ar A.keretakereta ini bergerak

berasingan selepas perlanggaran.

i) 8pakah 5enis perlanggaran ang berlaku+3

0hat type o$ !ollision takes pla!e&

''''''''''''''''''''''''.'''''.#1 markah$

ii) 7ereta 8 masih bergerak dengan hala5u %0 m s/1selepas perlanggaran. 8pakah

magnitud hala5u kereta B selepas perlanggaran+

ar A is still mo-ing at m s1a$ter !ollision. 0hat is the -elo!ity o$ !ar B a$ter

!ollision&

# markah$