# Physics

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A skier goes down a slope inclined at 25 degrees. Her mass including equipment is 60.0kg.

a. What is her acceleration if friction is negligible?
b. What is her acceleration if friction is 45.0 N?

• Physics -

netforcedownhill= ma

mgSinTheta-frictionforce=ma

• Physics -

a) 4.1 ms-2
b) 3.4 ms-2

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