Mathematics, 25.05.2021 16:00, zstarr
The stopping distance d meters of a car is inversely proportional to the square of its speed s km/h when the brakes are applied.
A car travelling at 50 km/h requires a stopping distance of 20 metres.
If the stopping distance is 500 metres, what is the speed of the car when the brakes
are applied?
Answers: 2
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