The rocket flies at a speed of 8 km / s to determine the speed in 90 minutes.

univerkov | September 23, 2021 | education

First, let’s convert kilometers per second to kilometers per minute.

1 km / s = 60 km / min. This means that 8 km / s = 8 * 60 km / min = 480 km / min.

In 90 minutes, this rocket flies 480 km / min * 90 = 43,200 km / min = 43,200 / 60 km / s = 720 km / s.

Answer: v = 720 km / s.

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