Most scientists believe the Big Bang Theory explains which of the following questions?

A. How our planets and moons formed

B. How our Universe began

C. How the sun turns hydrogen into helium

D. How fast light travels through space

Which of the following have quantized values? Explain your selections. a. the pitch of a note played on a slide trombone b. the pitch of a note played on a flute c. the wavelengths of light produced by the heating elements in a toaster d.

A ray of light strikes a mirror at an angle of 38 to the normal. what is the reflected angle

M-? P=800kg / m3 V=0,5L

the input force of a third class lever is 5 cm away from the fulcrum. the output force is 20 cm away from the fulcrum. what is the ideal mechanical advantage of the lever

One advantage of a fever is that it can slow down the

When the velocity of a mass on a spring is zero, the acceleration is at

Which is a disadvantage of using wind as an energy source? Check all that apply. It may be unreliable. It is not naturally occurring. It produces a lot of waste. It requires wires to carry electricity. It generates large amounts of electricity.

One step in the production of hydroelectric power involves

A pot is heated on a stove. The water begins to boil rabidly. Which explains why the water is boiling fast?

A galvanometer can be calibrated to read electric A) current B) Voltage C) either of these D) neither of these