What is the luminosity of a star having 6 times the radius of the sun and a surface temperature of 15000 k?

Activating particular associations in memory is called A. triggering. B. initiation. C. galvanization. D. priming.

The East African rift is an example of what

What is the formula for the law of universal gravitation? a. force = g * mass1 * mass2 / distance b. force = g * mass1 * mass2 * distance c. force = g * mass1 * mass2 / distance2 d. force = g * mass1 * mass2 * distance2?

Which example describes and nonrenewable resource? A. everyone in our neighborhood uses solar panels to generate electricity to run their pool pumps. B.

Evaluate: (5x + 4y) / 2, which is an expression of a certain experimental procedure. lf x represents the valence of Argon and y represents the summation or valencies of sulphur and Neon

Is a lung a living organism, why or why not?

A wire carries a steady current of 2.20 A. A straight section of the wire is 0.750 m long and lies along the y axis within a uniform magnetic field, vector B = 1.70 k T.

A 5.00-kg howler monkey is swinging due east on a vine. It overtakes and grabs onto a 6.00-kg monkey also moving east on a second vine. The first monkey is moving at 10.0 m/s at the instant it grabs the second, which is moving at 7.00 m/s.

One of the heating systems we talked about in this course comprises of a system of ducts. What is the process by which heat is transferred in this system? a. Conduction b. Convection c. Radiation d. None of the above

If the north pole of a magnet in a compass is attracted to Earth's geographic north, what must be the polarity of Earth's magnetic north pole? A. north B. south C. It can't be determined from the information given.