- #1

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ok so i am totally confused, im thinking i have to use 2 formulas but im not exactly sure

i tried the formula:

Fn = Fg = mg

and did:

Fn = 10(7.0) = 70N

then i thought:

Fκ = μ Fn

so i did:

Fκ = (0.45)(70) = 31.5m/s(squared)

im not sure if thats right it doesnt seem to be please help!!!