Energy is the ability to do work. True or false

A spherical conductor of 9-cm radius is charged to 100 volt potential. Calculate the energy stored in it.

How much resistance is required to limit the current to 1.5 mA if the potential drop across the resistor is 6V

How are the protons and electrons related to each other

A cylindrical rod has equal and opposite forces applied perpendicular to its circular ends. the forces are directed away from the rod, stretching the rod. what type of stress is this rod subject to?

What angle can you kick a football that will make the initial vertical component of the velocity equal to the initial horizontal component of the velocity?

If an atom has a mass number of 23, which of the following is always true? The number of protons in the nucleus does not equal the number of neutrons. The atomic number is less than 11. The atom is not an isotope.

What does the law of conservation of energy say

How many elements are in the lanthanide series?

Photon energy is proportional to which of the following. a. speed of light in a vacuum. B frequency of the light emitting the photon. C intensity of the light emmitting the photon. D wavelegnth of light emmitting thr photon.

Each half of earth surface is called