The 5.00-cm-long second hand on a watch rotates smoothly. what is its angular velocity?

How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg

Use the illustration to describe how the electromagnetic spectrum changes as its frequency moves from radio waves to higher energy gamma waves in terms of wavelength and amplitude.