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# What are the dimentions of k?

What are the dimentions of k for

1)F=kx

2)F=kv^n

I completely stuck on this problem. Could someone teach me please?

You can answer only first one. If you can do both of them, I will really appreciate that.

Thank you

### 2 Answers

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- 9 years agoBest Answer
1) k = Force/ displcement

= NEwton / m

= kg m /(s^2 m)

= kg /s^2

so dimensional formula [ M^1 T^-2]

2) k= Force/ Velocity ^n

= kg m s^n

__________

(s^2)(m^n)

= kg m^(1-n) s^(n-2)

Dimensional Formula [ M^1 L^(1-n) T^(n-1)]

Hope dis helps!

- gintableLv 79 years ago
Again...you've got to state what each term stands for...otherwise those are just arbitrary variable names.

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