Suppose two worlds, each having mass m and radius r, coalesce into a single world. due to gravitational contraction, the combined world has a radius of only 3 4 r. what is the average density of the combined world as a multiple of rho0, the average density of the original two worlds?

Which type of basaltic lava flow has a fairly smooth

A15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°c to 175°c. what is the specific heat capacity of iron?

Adisk with a radius of r is oriented with its normal unit vector at an angle q with respect to a uniform electric field. which of the following would result in an increase in the electric flux through the disk? check all that apply? a. increasing the area of the disk b. decreasing the given orientation angle of the disk c. decreasing the strength of the electric field d. increasing the given orientation angle of the disk, but not exceeding an angle of 90