Physics, 14.02.2020 08:53, elicollierec

A car moves north at a constant speed of 3 ms^-1 for 20 s and then east at a constant speed of 4ms^-1 for 20s. What is the average speed of the car during this motion?

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A car moves north at a constant speed of 3 ms^-1 for 20 s and then east at a constant speed of 4ms^-...