I can measure the speed of an object. Because I want to km/s
a blond, a red head, and brunette, were stuck on an island, and the closest populated island was 100km away, so in turn they try to swim to the island, the brunette swims 10 km then drowns, the red head swims 30 km then drowns, the blond swims 50 km then gets tired so she swims back.
why are cheetahs the best animals? The cheetah is the fastest land animal in the world. They can reach a top speed of around 113 km per hour. A cheetah can accelerate from 0 to 113 km in just a few seconds. Cheetahs are extremely fast however they tire quickly and can only keep up their top speed for a few minutes before they are too tired to continue. Cheetahs are smaller than other members of the big cat family, weighing only 45 – 60 kilograms. One way to always recognise a cheetah is by the long, black lines which run from the inside of each eye to the mouth. These are usually called “tear lines” and scientists believe they help protect the cheetah’s eyes from the harsh sun and help them to see long distances. Cheetahs are the only big cat that cannot roar. They can purr though and usually purr most loudly when they are grooming or sitting near other cheetahs. While lions and leopards usually do their hunting at night, cheetahs hunt for food during the day. A cheetah has amazing eyesight during the day and can spot prey from 5 km away. Cheetahs cannot climb trees and have poor night vision. With their light body weight and blunt claws, cheetahs are not well designed to protect themselves or their prey. When a larger or more aggressive animal approaches a cheetah in the wild, it will give up its catch to avoid a fight. Cheetahs only need to drink once every three to four days.
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