Antelope 40121

The antelope was 100 m away from the cheetah. The moment the cheetah started running, antelope took off running. The cheetah ran at an average speed of 1200 m per minute, and the antelope 700 m per min. In how many seconds was the cheetah able to catch up with the antelope?

Correct answer:

t =  12 s

Step-by-step explanation:

s=100 m v1=1200/60=20 m/s v2=700/60=33511.6667 m/s  v1 t=s+v2 t 20 t=100+11.666666666667 t  8.333333t=100  t=8.33333333100=12  t=12=12 s

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