Asked by marc
A 200 g object on a frictionless, horizontal lab table is pushed against a spring of force constant 35.0 N/cm and then released. Just before the object is released, the spring is compressed 11.0 cm.
How fast is the object moving when it has gained half of the spring's original stored energy?
How fast is the object moving when it has gained half of the spring's original stored energy?
Answers
Answered by
Damon
m = 0.200 kg
k = 3500 N/m
U = (1/2) k x^2 = (1/2)(3500)(0.110)^2
Ke = (1/2) U
(1/2)(.2)v^2 =(1/2)U= (1/4)(3500)(.11)^2
k = 3500 N/m
U = (1/2) k x^2 = (1/2)(3500)(0.110)^2
Ke = (1/2) U
(1/2)(.2)v^2 =(1/2)U= (1/4)(3500)(.11)^2
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