The boundary between the half of the Earth in sunlight and the half of the Earth in darkness is the __________
What will be an ideal response?
circle of illumination
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Angular Momentum: If the answer to your calculation has units of kg ? m2/s, what type of quantity could it be? (There could be more than one correct choice).
A. force B. work C. angular momentum D. linear momentum E. power F. rotational kinetic energy G. moment of inertia H. torque
A recurring nova could eventually explode as a Type I supernova
Indicate whether the statement is true or false
An ideal gas is allowed to expand slowly at constant temperature to twice its original volume. During the expansion, the gas absorbs 200 kJ of heat
(a) What is the change in the internal (thermal) energy of the gas during the expansion? (b) How much work does the gas do during the expansion?
In an LCR series circuit, if the AC frequency is decreased to a very small value, what value does the magnitude of the angle between the current and voltage phasors approach?
a. 90° c. 0° b. 180° d. 45°