Find how fast the weight is moving

Reference no: EM13279838

A vertical spring has one end attached to the ceiling and a 2.50 kg weight attached to the other one. When the system is at rest, the spring is stretched by 20.0 cm. Now let the weight drop from a position in which the spring is not deformed at all. Use the conservation of energy law to find:

a) how fast the weight is moving after it drops 20.0 cm;

b) How far down the weight will drop before starting to come back. What is the weights acceleration when its at the lowest position (give the magnitude and show the direction).

Reference no: EM13279838

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