Why does a clear stream always appear to be shallower than it actually is?

Why do different elements emit different colors of light

A Volt/Amp Is Also Known As.?

As an airplane taxies on the runway with a speed of 16.5 m/s, a flight attendant walks toward the tail of the plane with a speed of 1.22 m/s. what is the flight attendant's speed relative to the ground?

What are smaller patterns within constellations?

If an astronaut takes an object to the moon the following is true (choose only one). A the mass will change but the weight will be the same. B both the mass and the weight of the object will be the same.

Why did dad leave mom?

Sal drew the electron dot diagram of an aluminum atom as shown. How should Sal correct his diagram? He should add five more dots so that the atom obeys the octet rule. He should add ten more dots so that all thirteen electrons are shown.

What uses electricity

How do the elements in the Noble Gas family compare?

The magnetic field strength within a long solenoid isb=4.0t t, where t is time in seconds. if the radius of thesolenoid is1.0 cm, what is the magnitude of the non-coulomb force that acts on a6.0 c charge a distance6.