a train travels at 60 km/h for 0-52 h; at 30km/h for the next 0-24 h and at 70 km/h for the next 0-71 h. what is the average speed of train?
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average speed = total distance travelled / total time taken
= (60 x 52 + 30 x 24 + 70 x 71) / 52 + 24 + 71
= (3120 + 720 + 4970)/147
=8810/147 = 60 km/h
hence average speed is 60 km/h
hope it helps , plz mark as brainliest
= (60 x 52 + 30 x 24 + 70 x 71) / 52 + 24 + 71
= (3120 + 720 + 4970)/147
=8810/147 = 60 km/h
hence average speed is 60 km/h
hope it helps , plz mark as brainliest
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