A string with length of 0.5 m produces a musical sound travelling at a speed of 320 m/s find the fifth overtone

Heat from the sun reaches earth to a. radiation b. convection c. conduction

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.

A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.