Paradoxically, while the core of the red giant is contracting and heating up, its radiation pressure causes its photosphere to swell up and cool off
Indicate whether the statement is true or false
TRUE
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The hydrogen in the universe was formed by the energy of the Big Bang
a. True b. False Indicate whether the statement is true or false
If the only forces acting on a 2.0-kg mass are 
, and 
, what is the magnitude of the acceleration of the particle?
A. 1.5 m/s2 B. 6.5 m/s2 C. 4.7 m/s2 D. 9.4 m/s2 E. 7.2 m/s2
If a boat is moving north at 15 kilometers per hour and a dog on that boat is running south at 8 kilometers per hour, what is the dog's velocity measured from the shore?
a. 7 kilometers north per hour. b. 23 kilometers north per hour. c. 15 kilometers north per hour. d. 150 mph east-south-east. e. 7 kilometers south per hour.
The hydraulic lift is an application of
A) Bernoulli's principle. B) Pascal's principle. C) Archimedes' principle. D) Poiseuille's equation. E) Torricelli's equation.