leanardmarron22 leanardmarron22

05-01-2022
Physics

contestada

A car increases its velocity uniformly from 20m/s to 40m/s in 2 minutes. Can you solve for its average velocity?

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alcohen2006 alcohen2006

05-01-2022

The speed at the beginning is 20 m/s.

The speed at the end is 40 m/s.

The average speed is 1/2(20 m/s + 40 m/s)

That's 30 m/s .

The length of time for the change doesn't matter, as long as the change is uniform.

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