A scale at a grocery store is made of a metal pan (of negligible mass) placed on an ideal spring. The spring has a force constant of 655 N/m. A customer gently rests 1.00 kgs of bananas and 2.00 kg of potatoes on the scale. When the 2.00 kg potatoes is suddenly removed, how high above the starting position do the bananas reach?

The ideal spring is 0.030 meters above the starting position.

Explanation:

Let consider that spring is modelled by the Hooke's Law, which is represented by the following expression:

Where:

- Force exerted on the ideal spring, measured in newtons.

- Spring constant, measured in newtons per meter.

- Spring elongation, measured in meters.

The elongation is now cleared:

The initial force experimented by the spring is due to the weight of bananas and potatoes.

Where:

, - Masses of bananas and potatoes, measured in kilograms.

- Gravitational acceleration, measured in meters per square second.

If , , and , the initial elongation of the ideal spring is:

The final elongation is obtained after eliminating the influence of potatoes due to gravity. That is to say:

The final elongation of the ideal spring is:

The displacement of the spring due to the removal of potatoes is:

The ideal spring is 0.030 meters above the starting position.

c. rb

explanation:

the atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the center of the nucleus to the boundary of the surrounding shells of electrons.

an ion is a charged atom or molecule. it is charged because the number of electrons do not equal the number of protons in the atom or molecule. an atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.