A certain bulb with a resistance of 95 ohms and labeled "150 W" is designated for use in a
A) 120-V circuit.
B) 240-V circuit.
C) either
D) not enough information
Answer: A
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Analyze these generalizations about the eight planets in our solar system. Determine if they most likely apply to planets closer or farther away from the sun.
A composite beam is made up of a 90 mm 5 160 mm wood beam (Ew 5 11 GPa) and a steel bottom cover plate (90 mm 3 8 mm, Es 5 190 GPa). Allowable stresses in wood and steel are 6.5 MPa and 110 MPa, respectively. The allowable bending moment about the z axis of the composite beam is most nearly:
(A) 2.9 kN?m
(B) 3.5 kN?m
(C) 4.3 kN?m
(D) 9.9 kN?m
Organic chemistry studies chemical compounds that contain at least one atom of
a. nitrogen. b. oxygen. c. carbon. d. hydrogen. e. silicon.
A 5.00-kg object moves clockwise around a 50.0 cm radius circular path. At one location, the speed of the object is 4.00 m/s
When the object next returns to this same location, the speed is 3.00 m/s. (a) How much work was done by non-conservative forces as the object moved once around the circle? (b) If the magnitude of the above non-conservative forces acting on the object is constant, what is the minimum value of this magnitude?