Satellite communication is only possible using

A) analog transmission.

B) digital transmission.

C) sound waves to transmit signal.

D) cellular devices such as phones.

You performed an experiment to find out how strong the net below a trapeze should be to safely catch a performer of mass 80 kg. Which of the following is a new scientific question that can be investigated in the laboratory? A.

Does red light or blue light have a longer wavelength? how do you know?

Which unit do astronomers use for angular measurement? A. parallax B. arcsecond C. parsec D. light-year

In a circuit with parallelresistors, the smaller resistance dominates; in a circuit with resistors inseries, the larger one dominates. Make some speci c examples of resistorsin parallel and in series to explain this rule of thumb.

Does the green LED emit light when you connect the banana plug wires across it? What does that say about the threshold voltage of the green LED compared to the blue LED?

Which si prefix means one one-hundredth (1/100) ?

A sled is being pulled to the left by 5 dogs with 6 newtons of force. Find the net force

Objects become electrically charged as a result of the transfer of

How many electrons do most atoms seek to have on their valence shell? Using this information, explain why certain elements are unreactive and why other elements are reactive.

Which of the following statements is good advice to prevent becoming overly emotional? A. There is no way to prevent becoming overly emotional. B.