The fastest mammal is the cheetah. At short distances, it can reach a speed of 112 km / h.
| September 19, 2021 | education
The fastest mammal is the cheetah. At short distances, it can reach a speed of 112 km / h. How many times does this speed exceed the speed of a car equal to 20 m / s?
To find the ratio of the speeds of the cheetah and the car, we will compose and solve the proportion: k = Vg / Vа.
The value of the variables: Vg – the speed of the cheetah (Vg = 112 km / h; in the SI system Vg = 31.11 m / s); Vа (vehicle speed) = 20 m / s.
Let’s perform the calculation: k = Vg / Va = 31.11 / 20 = 1.556 times.
Answer: The speed of a cheetah is 1,556 times the speed of a car.
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