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OpenStudy (anonymous):
How to get spring constant (k) in projectile, only given: θ=45° range = 1.37 m t= 0.56 s Vi= 3.46 m/s Vf= 4.63 m/s hints: Potential Energy, Kinetic Energy, Elastic Potential Energy.
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OpenStudy (anonymous):
PE = mgh F = -kx KE = (1/2)mv^2
OpenStudy (anonymous):
any idea? xDD please help. :)
OpenStudy (anonymous):
Draw free body digram (FBD)
OpenStudy (anonymous):
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