A pendulum with a string of length 4 m has a period of about 3.0 s. What would be the period of the pendulum if the length of the string were increased to 16 m EASY

In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.

Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a.a piece of paper b.a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block

What is a carrier wave and how does it affect what you hear on the radio