Which of the following is not a characteristic of electromagnetic light waves? A. They obey the formula: velocity = wavelength x frequency.
B. They can be reflected and refracted.
C. They travel at the same speed through any one material.
D. They can't travel through a vacuum.

When someone slams her books on a table the kinect energy is transferred into vibrations that travel to your ears as sound waves which statement describes the movement of those waves

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.

A( developed during the process of technology design