February 23, 2017

Homework Help: physics

Posted by Andrea on Monday, October 31, 2011 at 3:34pm.

One end of a massless coil spring is suspended from a rigid ceiling. It is found that when a 4 kg mass is suspended from it the spring stretches 90 mm when the mass comes to rest.
(a) What is the spring constant for the spring
B)If the mass is then pulled down an additional 245 mm (by hand) and released from rest at that point, what will be the speed of the mass when it passes through the spring-mass rest position (this is where the spring was stretched by the stationary mass).

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