tasjanayroberts

22.10.2020 • 

Mathematics

Select the letter of the correct answer. Suppose Jennifer was a kid in the 1920s who listened to the radio for 45 minutes one week. If the
ratio of time hearing stories to time hearing advertisements was 4:1, how much of the time did
she spend listening to ads that week?
A 34 minutes
B 36 minutes
C 9 minutes
D 11 minutes

Ответ:

treylartigue

06.09.2021

Mathematics

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200 feet = 200 * 0.3048 = 60.96 m
e = 0.5 * g * t ^2
e = 60.96
g = 9.8 m/s2
t = ?
t^2= 60.96 / 0.5 * 9.81 = 12.440
t = 3.5271 s

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