Asked Apr 1, 2019

A 5.8 g marble is fired vertically upward using a spring gun. The spring must be compressed 9.7 cm if the marble is to just reach a target 28 m above the marble's position on the compressed spring. (a) What is the change ΔUg in the gravitational potential energy of the marble-Earth system during the 28 m ascent? (b) What is the change ΔUs in the elastic potential energy of the spring during its launch of the marble? (c) What is the spring constant of the spring?


Expert Answer

Step 1


Step 2


a) The gravitational potential energy is given by,

Step 3

The gravitational potential...

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