大象传媒

Questions

Look at this distance-time graph and answer the following questions.

A distance-time graph. The line starts at 0. and after 4 seconds reaches 30 meters. From 4 to 8 seconds the line remains at 30 meters. From 8 to 10 seconds the line rises from 30 meters to 40 meters.

Question

How far did the vehicle travel in the first 4 seconds?

Question

What was the speed of the vehicle over the first 4 seconds?

Question

How long was the vehicle stationary?

Question

What was the average speed of the vehicle over the journey?

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