February 26, 2017

Homework Help: physics

Posted by Ramon on Friday, December 18, 2009 at 6:20pm.

A 0.150 kg block moving vertically upward collides with a light vertical spring and compresses it 4.50cm before coming to rest.
If the spring constant is 54.0 N/m, what was the initial speed of the block? (Ignore energy losses to sound and other factors during the collision.)

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