A 160 lb person has a mass of 160/32 = 5 slugs. A 160-lb person steps into an elevator and stands on a bathroom scale. Determine the scale reading for the given scenarios. The elevator accelerates downwards and is now moving at a constant speed
a. 150 lb b. 160 lb
c. 170 lb d. none of the above
b
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Series/Parallel Circuits: Draw a circuit consisting of a battery connected to two resistors, R1 and R2, in series with each other and a capacitor C connected across the resistors.
A. 
B. 
C. 
D. 
A small metal sphere is suspended from the conducting cover of a conducting metal ice bucket by a non-conducting thread. The sphere is given a negative charge before the cover is placed on the bucket. The bucket is tilted by means of a non-conducting material so that the charged sphere touches the inside of the bucket. Which statement is correct?
a. The negative charge remains on the metal sphere. b. The negative charge spreads over the outside surface of the bucket and cover. c. The negative charge spreads over the inside surface of the bucket and cover. d. The negative charge spreads equally over the inside and outside surfaces of the bucket and cover. e. The negative charge spreads equally over the sphere and the inside and outside surfaces of the bucket and cover.
A 4000-? resistor is connected across 220 V. What current will flow?
A) 0.055 A B) 1.8 A C) 5.5 A D) 18 A E) 550 A
Suppose you take the eyepiece out of a microscope and replace it with an eyepiece having twice the focal length. The magnification of the microscope will
A. double. B. halve. C. remain unchanged. D. quadruple. E. none of these.