Answer to Question #214615 in Civil and Environmental Engineering for syra

Question #214615
A man drives for 30 minutes at a speed of 25m/s, then stops for 10 minutes, and finally drives for 20 minutes at 36 m/s. Calculate (a) the total distance traveled and (b) the average speed
1
Expert's answer
2021-07-12T03:36:18-0400

Part a

He firstly travels for 30 mins at 25 m/s

i.e. he travels for

The distance he travels will be

His second set of travelling is for 20 minutes at 36 m/s

i.e. he travels for

The distance he travels will be

The total distance he travels will be


Part b

This means his average speed as the overall journey took one hour is


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