If an astronaut landed on a planet that had the same radius as earth but 4 times its mass, then the astronaut's weight on the planet would be:

Two loudspeakers, 5.5 m apart and facing each other, play identical sounds of the same frequency. you stand halfway between them, where there is a maximum of sound intensity. moving from this point toward one of the speakers, you encounter a minimum of sound intensity when you have moved 0.33 m . assume the speed of sound is 340 m/s. part a) what is the frequency of the sound? part b) if the frequency is then increased while you remain 0.21 m from the center, what is the first frequency for which that location will be a maximum of sound intensity? express your answer to two significant figures and include the appropriate units.

Which is the most accurate name for the ionic compound cas?

What are the dimensions of the cross section that passes through the points a, f, g, and d?