Afabric used in air-inflated structures is subjected to a biaxial loading that results in normal stresses sx 5 18 ksi and sz 5 24 ksi. knowing that the properties of the fabric can be approximated as e 5 12.6 3 106 psi and n 5 0.34, determine the change in length of (a) side ab, (b) side bc, (c) diagonal ac.

Shelly experiences a backward jolt when the driver starts the school bus. which of the following explains this phenomenon? a. the inertia of shelly b. the inertia of the bus c. the normal force of the seats on shelly d. the net force acting on shelly in a backward direction e. a zero net force acting on shelly

For most stars, what does a higher temperature tend to to with? a lower luminosity a higher luminositya red color none of the above

What is a transverse wave? how do the particles in the medium move in relation to the energy of the wave? does this wave require a medium?