Consider a situation where two moving objects collide and rebound from each other. The energy of a ball rolling up an inclined plane
a. is entirely kinetic
b. is entirely potential
c. is both kinetic and potential
d. none of the above
C
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How many grams of sodium chloride are needed to make 15 L of a solution that has a concentration of 3.0 g per liter of solution?
A) 30 g B) 141 g C) 5 g D) 45 g
Arrange the atoms magnesium, fluorine, strontium, and sulfur in order of increasing ionization energy
As shown below, a square loop of wire of side a moves through a uniform magnetic field of magnitude B perpendicular to the page at constant velocity 
directed to the right. Which statement regarding the electric field induced in the wires is correct for the wires at the left and right sides of the loop?
a.
The electric field 
is directed upwards in both the right and left sides of the loop.
b.
The electric field is directed upwards in the right side and downwards in the left side of the loop.
c.
The electric field is directed upwards in the left side and downwards in the right side of the loop.
d.
The electric field is directed downwards in both the right and left sides of the loop.
e.
There is no electric field present in any side of the loop.
An ice skater has a moment of inertia of 5.0 kg?m2 when her arms are outstretched. At this time she is spinning at 3.0 revolutions per second (rps)
If she pulls in her arms and decreases her moment of inertia to 2.0 kg?m2, how fast will she be spinning? A) 2.0 rps B) 3.3 rps C) 7.5 rps D) 8.4 rps E) 10 rps