Which of the following statements are true?
a. two materials may have similar elastic constants but have vastly different breaking stresses.
b. an object can experience both tensile and compressive stresses at the same time.
c. strain is characterized by the strength of the forces causing deformation, on a "force per unit area" basis.
d. the elastic modulus can be determined from the ratio of the strain to the stress.
e. stress is characterized by the strength of the forces causing deformation, on a "force per unit area" basis.

Awave is produced in a slinky as shown. what is the direction of the slinky wire at point p as the waves travel through this point?

Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.