rivermadds1514
11.03.2021 •
Physics
Due: Thursday, March 11, 2021 at 11:59 pm
Locks on Thursday, March 11, 2021 at 11:59 pm
In a minimum of 5 complete and coherent sentences, explain how distance and displacement play a role when a man travels on a bike in a complete circle on a race track for
5 laps. Do vector and/or scalar quantities play a role in this scenerio? Why or why not?
Use your own words. Plagiarism will result in a grade of a zero,
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Ответ:
0.25
Explanation:
According to newtons law of motion
\sum F_x = ma
F_f = ma
nR = ma
nmg = ma
ng = a
n = a/g
g is the acceleration due to gravity
Given
a = 2.42m/s²
g = 9.8m/s²
Substitute into the formula;
n = 2.42/9.8
n = 0.25
Hence the coefficient of kinetic friction is 0.25