An alpha particle (m = 6.7 × 10^?27 kg, q = +3.2 × 10^?19 C) has a speed of 20 km/s at point A and moves to point B where it momentarily stops. Only electric forces act on the particle during this motion. Determine the electric potential difference VA ? VB
a. +4.2 V
b. ?4.2 V
c. ?9.4 V
d. +9.4 V
e. ?8.4 V
b
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The moment of inertia of a rod being rotated about one end is 1/3 
What is the moment of inertia of a rod of length L and mass M being rotated about a point located 0.300 L?
A. 0.123 
B. 0.198
C. 0.205
D. 0.240
E. 0.300
The two principal agents of metamorphism are heat and ______________
Fill in the blank(s) with correct word
Which of the following combinations of circuit components can be used to make a tuner for a radio, to select the desired frequency?
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