A 10-solar-mass star is about ten times more luminous than a 1-solar-mass star
Indicate whether the statement is true or false
FALSE
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The main source of energy in main sequence stars is ________.
A. fusion of hydrogen to helium B. the triple alpha process C. gravity D. the chemical reaction between hydrogen and helium
Magnesium has atomic number 12 . In its ground state, how many electrons are in its n = 3 shell?
a. 2 c. 16 b. 8 d. 10
Wien's Law: If the surface of our bodies is at 37°C, at what wavelength does the radiation that we emit peak if we behave like a blackbody? The constant in Wien's law is 0.0029 m ? K.
Fill in the blank(s) with the appropriate word(s).
Multiple-Object Accelerating Systems: A 5.0-kg block and a 4.0-kg block are connected by a 0.6 kg rod, as shown in the figure. The links between the blocks and the rod are denoted by A and B. A vertical upward force of magnitude F is applied to the upper block. The blocks and rod assembly are moving downward at constant velocity of 85 cm/s.(a) What is the magnitude of the applied force F?(b) What magnitude force does link A exert?
Fill in the blank(s) with the appropriate word(s).