A quartz crystal vibrates with a frequency of 35,621 Hz. What is the period of the crystal's motion?

Room temperature is around 25° c. What is the state of matter of bromine?

What causes a star to shine brightly

Is the change in kinetic energy of your ball greater than, less than, or equal to the change in kinetic energy of your friend's ball?

The volume control on a stereo is designed so that three clicks of the dial increase the output by 10 dB. How many clicks are required to increase the power output of the loudspeakers by a factor of 100?

Can a person be moving in a positive direction even if their acceleration vector is negative?

Forces of attraction limit the motion of particles most in

What is the temperature of the center of the earth?

A certain string has a mass of 120 g and a length of 40 cm. Consider the quantity 3 = 120/40. 1. Give the name of the quantity if there is one. 2. What is the interpretation of the quantity in this context? 3.

Four fundemental forces from weakest to strongest

Which of the following is a correct principle of relative-age dating? A. In undisturbed rock layers, the youngest rocks are on the bottom. B. Rock-forming materials are deposited in horizontal layers, though they may be tilted later. C.