of a vehicle for a period of 45 seconds.
Speed (ms)
Laju (ms)
80
30
o
45
10
40
Time (s)
Masa (s)
i) Nyatakan tempoh masa, dalam saat, ketika kenderaan itu bergerak dengan laju seragam.
State the length of time, in seconds, when the vehicle travels at a uniform speed.
ii) Hitung kadar perubahan laju, dalam ms?, kenderaan itu dalam 5 saat terakhir.
Calculate the rate of change of speed, in ms?, of the vehicle in the last 5 seconds.
iii) Hitung jumlah jarak, dalam m, yang dilalui dalam 40 saat pertama.
Calculate the total distance, in m, travelled in the first 40 seconds.
(5 markah/5 marks)
Jawapan / Answer:
