In the core of high-mass stars, the energy is transported by convection currents.
Answer the following statement true (T) or false (F)
True
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A. +x direction B. -x direction C. +y direction D. -y direction E. +z direction F. -z direction T. The field is zero.
What are fluid and heat exchanger properties that determine the overall heat exchanger conductance?
What will be an ideal response?
The escape velocity needed for an atom in the atmosphere of a planet to escape the gravitational pull of the planet is larger if:
A. the temperature of the gas in the atmosphere is higher B. the mass of the atom is smaller C. the radius of the planet is larger D. the planet is farther from the Sun E. the mass of the planet is larger
A certain bulb with a resistance of 95 ohms and labeled "150 W" is designated for use in a
A) 120-V circuit. B) 240-V circuit. C) either D) not enough information