Mathematics, 02.05.2021 23:20 Arealbot
A car starts from rest. After traveling 125 meters in 10 seconds, its speed picks up to 25 m/s. It travels at this speed for 20 seconds. Then brakes are applied. The car stops in 6 seconds and the braking distance is 95 meters.
(a) Express the speed 25 m/s in km/h.
(b) Find the average speed of the car during the period at which its speed increases.
(c) Find the average speed of the cat during the period the brakes were applied.
(d) Find the average speed of the car for the whole journey.
Answers: 2
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A car starts from rest. After traveling 125 meters in 10 seconds, its speed picks up to 25 m/s. It t...
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