How do you measure the angle of reflection from a plane mirror

When you hit a nail into a board using a hammer the head of the nail gets warm. In terms of kinetic and thermal energy describe why you think this happens?

Sb-6 white lights can sometimes be found on what kind of buoys

A liquid in a test tube has a curved surface such that the edges touching the glass are higher than the surface at the center. This must mean that the cohesive forces are less than the adhesive forces. True/False

Approximately what percent of the Moon's surface is illuminated on a new-moon day? A) 0% B) 20% C) 50% D) 100%

Which lanyard provides an impact force of less than 1,800 pounds, as recommended by good practices?

What happens when the thermal energy of a substance increases? A. The motion of the particles in the substance increases, and the temperature of the substance decreases. B.

The electrons between atoms in metallic bonds

Which example best represents translational kinetic energy? a plucked string on a guitar the moving blades of a ceiling fan a spinning top a tuning fork struck on a rubber block an apple falling from a tree

Light travels 186 000 miles per second. how many miles dose light travel in one year

How long can you play tennis on the 949kJ of energy in a candy bar? Assume that the average power consumption for a person playing tennis is 440W.