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hichkok12 [17]
3 years ago
9

How does friction help soccer players

Physics
2 answers:
Lena [83]3 years ago
7 0
When soccer players run they are using friction to propell themselves
Marta_Voda [28]3 years ago
3 0
I think friction can help soccer players by helping them run so the friction can propell em. I just learned this it was pretty easy
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3 years ago
At an accident scene on a level road, investigators measure a car's skid mark to be 93 m long. It was a rainy day and the coeffi
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Answer:

u = 25 m/s

Explanation:

given,                                

length of skid = 93 m          

coefficient of friction = 0.35

final velocity = 0 m/s              

initial velocity = ?                        

force here is friction  f = μ mg

F = ma                                                

now com paring                      

-μ mg = m a                      

a = - μ g                    

a = - 0.35 x 9.8              

a = -3.43 m/s²

we know,              

v² = u² + 2 a s                        

0 = u² - 2 x 3.43 x 93                

u² = 637.98                    

u = 25.26 m/s                      

u = 25 m/s (two significant figure)

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