How do we know the age of the Sun?

How do wavelength and wave period relate to a wave's speed

The coil in an AC generator consists of 21 turns of wire, each of area A = 0.12 m2, and the total resistance of the wire is 24 Ohms. The coil rotates in a 0.5 Tesla magnetic field at a constant frequency of 135 Hz.

How wind effect on climate

After spending two hours trying to solve an engineering problem, Amira finally gave up. As she was trying to fall asleep that night, a solu?

a. A nucleus is made up of protons and neutrons. Protons have positive charges and neutrons have no charge. The strong nuclear force holds the nucleus together because it acts against another force inside the nucleus.

Difference between specific heat capacity and latent heat?

What are artificial magnets and natural magnets? examples

What would cause the force of kinetic friction to increase? A. a decrease in the normal force B. an increase in U s C. an increase in the normal force D. a decrease in U k

All light waves move through a vacuum with a constant speed. True or False

A simple pendulum has a period of 1.0 s. If you take this pendulum to Mars where the acceleration of gravity is 3.8 m/s2, what will the period of the pendulum be