calculate the average speed, in ms of the particle in 50 seconds.
[5 markah/5 marks]
jarak (km)
distance (km)
10t--
rajah 3 menunjukkan graf jarak-masa bagi perjalanan zamri dengan
menunggang basikal dari rumahnya ke pejabat pos dan kemudian
balik ke rumahnya.
diagram 3 shows the distance-time graph for zamri's journey by
bicycle from his house to the post office and then back to his house.
(a) nyatakan jumlah jarak, dalam km, yang dilaluinya.
state the total distance, in km, travelled by him.
(b) cari laju, dalam km j'', perjalanannya pulang ke rumah.
find the speed, in km h', of his journey home.
(c) cari tempoh masa, dalam minit, zamri berada di pejabat pos itu.
find the duration of time, in minutes, spent by zamri at the
post office.