A 120-V rms voltage at 1000 Hz is applied to a resistor and an inductor in series. If the impedance of this circuit is 110 ?, what is the maximum value of the current?
A) 1.54 A
B) 1.09 A
C) 1.84 A
D) 1.04 A
E) None of the other answers is correct.
A
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Atmospheric pressure is 
The pressure of the atmosphere in kPa is
A. 101.3. B. 98.10. C. 75.40. D. 66.70. E. 55.20.
Reaction forces are given in terms of load variable P for the truss below (see boxed expressions next to reaction force arrows). The force in member FD is:
(A) 1.76P
(B) 21.76P
(C) 22.14P
(D) 24.24P
A box is sliding down an incline tilted at a 12.0° angle above horizontal
The box is initially sliding down the incline at a speed of 1.50 m/s. The coefficient of kinetic friction between the box and the incline is 0.340. How far does the box slide down the incline before coming to rest? A) 0.920 m B) 2.33 m C) 1.78 m D) 0.720 m E) The box does not stop. It accelerates down the plane.
A 5.0-m radius playground merry-go-round with a moment of inertia of 2000 kg ? m2 is rotating freely with an angular speed of 1.0 rad/s
Two people, each of mass 60 kg, are standing right outside the edge of the merry-go-round and suddenly step onto the edge with negligible speed relative to the ground. What is the angular speed of the merry-go-round right after the two people have stepped on? A) 0.20 rad/s B) 0.40 rad/s C) 0.60 rad/s D) 0.80 rad/s E) 0.67 rad/s