The most massive stars have masses somewhere around
A) 5 solar masses.
B) 10 solar masses.
C) 30 solar masses.
D) 150 solar masses.
E) 3000 solar masses.
D) 150 solar masses.
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John is in an inertial frame F and Jack is in a frame F' moving relative to F in the x-direction at a constant velocity v. John and Jack each hold a 1-m stick with them oriented in the x-direction. Which one of the following statements best describes the situation?
Power: What is the resistance of a 0.100-kW light bulb designed to be used in a 120-V circuit dc?
A. 12.0 ? B. 144 ? C. 1.2 ? D. 0.83 ?
A container is filled with water and the pressure at the bottom of the container is P. Then the container is emptied halfway and topped off with oil of density 0.8 × 10^3 kg/m3, which floats on top of the water. What is the pressure at the bottom of the container now?
a. a pressure < P b. the same pressure P c. a pressure > P d. This is unable to be determined with the information given. e. a pressure < 0.5P
The Solar System is located about ________ from the center of the Milky Way.
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