The velocity of bulk sound waves in brass is 2,813 m/s. If the density of brass is 
then what is the bulk modulus of brass?
a. 
b. 
c. 
d. 
e. 
d.
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A coil is wrapped with 300 turns of wire on the perimeter of a circular frame (radius = 8.0 cm). Each turn has the same area, equal to that of the frame. A uniform magnetic field is turned on perpendicular to the plane of the coil. This field changes at a constant rate from 20 to 80 mT in a time of 20 ms. What is the magnitude of the induced emf in the coil at the instant the magnetic field has a
magnitude of 50 mT? a. 24 V b. 18 V c. 15 V d. 10 V e. 30 V
Young's Modulus: A 50-kg bucket of concrete is suspended from a steel wire that is 1.0 mm in diameter 1.0 mm and 11.2 m long. What distance will the wire stretch? Young's modulus for steel is 2.0 × 1011 Pa.
Fill in the blank(s) with the appropriate word(s).
Describe flux
What will be an ideal response?
Size of the Nucleus: If an atomic nucleus containing 64 nucleons has a mass density ?, what will be the expected mass density of a nucleus containing 512 nucleons?
A. ? B. 2? C. 4? D. 8? E. 16?