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sparkly16
 3 years ago
A spring with a force constant 400 N/m hangs vertically. You attach a 2.2 kg block to it and allow the mass to fall. What is the max distance the block will fall before it begins moving upward?
sparkly16
 3 years ago
A spring with a force constant 400 N/m hangs vertically. You attach a 2.2 kg block to it and allow the mass to fall. What is the max distance the block will fall before it begins moving upward?

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rajathsbhat
 3 years ago
Best ResponseYou've already chosen the best response.2The concept: the change in potential energy of the block is EXACTLY equal to the elastic potential energy of the spring. Does that help?

sparkly16
 3 years ago
Best ResponseYou've already chosen the best response.1i'll get 21.5x = 405x^2 know what?

rajathsbhat
 3 years ago
Best ResponseYou've already chosen the best response.2elastic potential energy is give by 1/2 kx^2. So how can you get 405x^2 ?

rajathsbhat
 3 years ago
Best ResponseYou've already chosen the best response.2there you go. So now, all you have to do is... simplify.

sparkly16
 3 years ago
Best ResponseYou've already chosen the best response.1that's the part i have trouble with

rajathsbhat
 3 years ago
Best ResponseYou've already chosen the best response.2Just cancel 1 'x' on both sides.

sparkly16
 3 years ago
Best ResponseYou've already chosen the best response.1so it would be 11 cm?
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