A 2 kg block resting on a horizontal surface compresses a spring with spring constant 20 kg/m2 by 15 cm. After the block has been released, what is the block’s final velocity?
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energy conservation.
1/2 kx^2= 1/2 mv^2
v= x root(k/m) with proper units
1/2 kx^2= 1/2 mv^2
v= x root(k/m) with proper units
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