An object is placed in front of a convex mirror at a distance larger than twice the focal length of the mirror. The image will appear
A) in front of the mirror.
B) inverted and reduced.
C) inverted and enlarged.
D) upright and reduced.
E) upright and enlarged.
D
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RLC Circuits: The figure shows a series ac circuit. The inductor has a reactance of 60 ? and an inductance of 150 mH. A 50-? R and a capacitor C whose reactance is 90 ? are also in the circuit, and the rms current in the circuit is 1.5 A. What is the rms voltage of the source? 
A. 87 V B. 84 V C. 81 V D. 78 V E. 75 V
Johnny throws a shotput at an angle of 45.° and it travels a horizontal distance of 30. meters. If he releases the shotput at the same speed but changes the angle to 55.°, what will be the new range (distance)?
A) 25. m B) 28. m C) 41. m D) 32. m E) 37. m
Resistors in Combination: Three light bulbs, A, B, and C, have electrical ratings as follows:Bulb A: 96.0 W, 1.70 ABulb B: 80.0 V, 205 WBulb C: 120 V, 0.400 AThese three bulbs are connected in a circuit across a 150-V voltage power source, as shown in the figure. Assume that the filament resistances of the light bulbs are constant and independent of operating conditions. What is the equivalent resistance of this combination of bulbs between the terminals of the power source?
A. 61.5 ? B. 15.3 ? C. 74.0 ? D. 86.2 ? E. 364 ?
Work-Energy Theorem: How large a net force is required to accelerate a 1600-kg SUV from rest to a speed of 25 m/s in a distance of 200 m?
A. 1600 N B. 0 N C. 200 N D. 400 N E. 2500 N