Astronomers are comparing two stars that are known to have the

same luminosity. Star A is observed to be 4 times brighter than star B.

How far away is Star A compared to Star B?

2 times closer

4 times closer

2 times farther

16 times closer

Juliana's exercise partner is running a high fever and feels nauseous. She also has a rapid heart rate. What should Juliana do?

Coursehero draw a schematic diagram of a series circuit containing a 120 v source with a 10 ohm resistor, a 20 ohm resistor, and 30 ohm resistor connected in a series. draw an ammeter where appropriate. show a voltmeter across each resistor.

A 1.80 - kgkg monkey wrench is pivoted 0.250 mm from its center of mass and allowed to swing as a physical pendulum. The period for small-angle oscillations is 0.940 s.

Which of the following professionals would provide this warning

Which part of the electromagnetic specturm has the lowest radiant energy? A. ultraviolet B. visible light C. x-rays D. infrared

A set of data is collected from a simple circuit with a 20 resistor and is represented in the table

A skydiver of mass m jumps from a hot air balloon and falls a distance d before reaching a terminal velocity of magnitude v. Assume that the magnitude of the acceleration due to gravity is g. a.

8. What happens to force when mass is increased?

Give an example of ionic and covalent bond, and explain and make an example for each.

Which of these is the best reason for proper nutrition? A. To ensure that you will be skinny B. To protect yourself against certain diseases C. To improve your intelligence D. To ensure that you will get good grades