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**A84 kg skier jumper starts fro rest at the top of a 220 m hill. What is the velocity of the skier jumper, if the jump is 105 m from the bottom of the hill.**

My Proof:

**m=84 KG**

h=105 m

Eg=84kg*9.8N/kg*105m

Eg=86436J

so Eg=Ek

86436J=1/2*85*V^2

V=45..36m/s

h=105 m

Eg=84kg*9.8N/kg*105m

Eg=86436J

so Eg=Ek

86436J=1/2*85*V^2

V=45..36m/s

**Is that right or Wrong?**