Compute the moon's centripetal acceleration in its orbit around the earth. recall that the moon orbits the earth very 38 days and that it is about 240,000 miles from earth.
what force causes this acceleration?

What explosion in the upper solar atmosphere releases about as much energy as millions of 100-megaton hydrogen bombs exploding simultaneously?

First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.

If frequency goes up, what happens to wavelength? does it get shorter or longer?