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terainfizik
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Homework Statement
A coin of mass 10g is dropped from the top of a tall building. If after failing for 10s , it falls intosoil and penetrates to a depth of 5cm, calculate
(Q) the average force exerted on the coin by the soil.
Homework Equations
The Attempt at a Solution
Should I use F=ma ? or use F= m( v-u ) / t ? to get the solution ?
Give me hint !
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