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MA_775_DIABLO [31]
3 years ago
7

The atoms of a molecule come from two or more?

Physics
1 answer:
AlladinOne [14]3 years ago
7 0
Compounds. two or more compounds.
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Answer:  29.50 m

Explanation: In order to calculate the higher accelation to stop a train  without moving the crates inside the wagon which is traveling at constat speed we have to use the second Newton law so that:

f=μ*N the friction force is equal to coefficient of static friction  multiply the normal force (m*g).

f=m.a=μ*N= m*a= μ*m*g= m*a

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x= vo*t- (a/2)* t^2

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Finally; x=vo*vo/a-a/2*(vo/a)^2=vo^2/2a= (49*1000/3600)^2/(2*3.14)=29.50 m

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