If a tree fall in a forest does it make a sound?

Particles at the very outer edge of Saturn's A Ring are in a 7:6 orbital resonance with the moon Janus. If the orbital period of Janus is 16 hours 41 minutes, what is the orbital period of the outer edge of Ring A?

Label the parts of a wave the terms : crest, trough, frequency, wavelength, amplitude

What are the four theories of the origin of the moon?

Acceleration is equal to the initial velocity minus the final velocity, then divided by time. True or False

How do we know the age of the canyon diablo meteorite?

How are molecules in a neutral state different from ions?

What is a hypothesis for why mitochondrion has separate dna from the nuclease?

An airplane flies 1350km in 2 1/4 hours. What is its average speed in kilometers per hour?

A projectile is launched over a horizontal surface in such a manner that its maximum height is 3/5 of its horizontal range. Determine the launch angle.

Two identical capacitors are arranged in a circuit. What is the ratio of the equivalent capacitance of the circuit when the capacitors are in series to that when they are in parallel?