caitlinsanders
29.01.2020 •
Physics
How long does it take a person to skate the width of a hockey rink (85 feet) at a constant speed of 15 feet per second?
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Ответ:
v (velocity)=15 ft/s
t (time)=?
Calculate the time with the formula for the velocity:
v=S/t
t=S/v
t=85 ft/(15 ft/s)
t=5.666s
Ответ:
it is b
Explanation:
yuh