The light-year (ly) is a unit of distance commonly used in astronomy. it is defined as the distance traveled by light in a vacuum in one year.

Formulae for determining the magnitude of the load overcomed

A wall clock has a second hand 22.0 cmcm long. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Fast car, flat curve. Part A What is the radial acceleration of the tip of this hand

Waves begin to "feel bottom" when the depth of water is

Difference between angle of shear and angle of twist.

When dropped from the same height, will a minivan or tricycle hit the ground first? Why?

A bathroom scale is compressed 0.21 in. when a 210 -lb person stands on it. Assuming that the scale behaves like a spring that obeys Hooke's law, how much does someone who compresses the scale 0.06 in.

Explain what happens when a ferromagnetic material is made into a permanent magnet.

You are drawing a branching diagram to show the relationship between Turtles frogs and alligators which two organisms does the diagram indicateas having the most recent common ancestor

Estimate the length of the neptunian year using the fact that the earth is 1.50Ã108km from the sun on average.

Identify one type of electromagnetic energy that has a shorter wave length than green light