Sound waves are ___ waves & must have a medium to travel through

All matter has unique physical properties true or failed

As the phase difference between two interfering waves changes from 180° to 0°, the amplitude of the resultant wave A) Decreases B) Increases C) Remains the same

When red light and green light shine on the same place on a piece of white paper, the spot appears to be a. yellow. c. white. b. brown. d. black.?

The amount of power has decreased. This is most likely the result of less work being done over a longer period of time. less work being done over a shorter period of time. the same amount of work being done over a longer period of time.

A hang glider moves through the air. Does the hang glider have energy? A) Yes because the hang glider is decelerating B) no because the hang glider has no motor C) yes because the hang glider is moving D) no because the hang glider is moving toward

January 1st 37°F January 7th 48°F January 14th 52°F January 18th 51°F January 21st 45°F January 25th 41°F January 31st 55°F When looking at a data set of numbers, the mean is the average. Look at the table above.

The vector quantity that defines the distance and direction between two positions.

Which statement is true? Select one of the options below as your answer: A. Quarks always occur in groups with leptons. B. Quarks always occur independently. C. Quarks always occur in groups with other quarks. D.

Peat is actually the early stage of

Explain how electric current is able to flow.