Question
Bahasa Melayu
Suatu graf jarak-masa bagi sebuah van menunjukkan satu garis lurus dari (0 h, 0 km) ke (2 h, 120 km), satu garis mengufuk dari (2 h, 120 km) ke (3 h, 120 km), kemudian satu garis lurus yang kembali dari (3 h, 120 km) ke (5 h, 0 km). Cari laju, dalam km/h, van itu semasa perjalanan balik.
English
A distance-time graph of a van shows a straight line from (0 h, 0 km) to (2 h, 120 km), a horizontal line from (2 h, 120 km) to (3 h, 120 km), then a straight line returning from (3 h, 120 km) to (5 h, 0 km). Find the speed, in km/h, of the van during the return journey.
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