The energy dissipated in a light bulb in a circuit is provided by the
A) lamp filament itself.
B) wires leading to the lamp.
C) voltage source.
D) none of the above
Answer: C
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An automobile gas tank is filled to its capacity of 20.00 gallons with the gasoline at an initial temperature of 10°C. The automobile is parked in the Sun causing the gasoline's temperature to rise to 60°C. If the coefficient of volume expansion for gasoline is 9.6 × 10^-4/°C, what volume runs out the overflow tube? Assume the change in volume of the tank is negligible
a. 1.74 gallons c. 0.72 gallon b. 0.96 gallon d. 0.30 gallon
Which objects in the solar system have been least modified since the formation of the solar system?
A) asteroids B) Kuiper Belt objects C) meteoroids D) terrestrial planets E) jovian moons
A composite beam of aluminum (Ea 5 72 GPa) and steel (Es 5 190 GPa) has a width b 5 25 mm and heights ha 5 42 mm and hs 5 68 mm, respectively. A bending moment is applied about the z axis resulting in a maximum stress in the aluminum of 55 MPa. The maximum stress in the steel is approximately:
(A) 86 MPa
(B) 90 MPa
(C) 94 MPa
(D) 98 MPa
If the Moon is rising at midnight, the phase of the Moon must be
A) first quarter. B) waxing crescent. C) third quarter. D) waning crescent. E) full.