A car travels for at and then for at

PHYSICS · Single correct · GCSE · Physics · Forces · Forces

Problem

A car travels for 6 min6\,\text{min} at 60 km/h60\,\text{km/h} and then for 4 min4\,\text{min} at 30 km/h30\,\text{km/h}. Calculate its average speed for the entire 10 min10\,\text{min} journey. (a) 45 km/h45\,\text{km/h} (b) 40 km/h40\,\text{km/h} (c) 48 km/h48\,\text{km/h} (d) 42 km/h42\,\text{km/h}

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