physics
posted by k .
A projectile is launched with a speed of 41 m/s at an angle of 60° above the horizontal. Use conservation of energy to find the maximum height reached by the projectile during its flight.
m

Find the vertical velocity (41sin60)
mgh=1/2 m (vvertical)^2 solve for h. 
A woman has a mass of 64.2 kg. What is her weight on earth?
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