izzyvalen izzyvalen

05-09-2019
Physics

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4. A high school athlete runs 400 m in 52.20 sec. What is his speed in mph?
14100
1110

Respuesta :

alexish129 alexish129

05-09-2019

Answer:

28,800m/p second

Explanation:

Calculate the distance per second so, 400m/50 s= 8m/p second now knowing the speed/hour and knowing an hour has 3,600 seconds,multiply it by 8 then you will get 28,800m/p second, or 28.8km/h

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