How much of a standing wave fits within a closed tube when the wave is vibrating at its fundamental frequency? 1 wavelength
¾ wavelength
½ wavelength
¼ wavelength

PLEASE HELP

Distinguish between a transverse wave and a longitudinal wave.

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?