how many days does it take a perfect black body cube of 0.01m on a side at 30degree to radiate the same amount of energy that 100watts light bulb uses in one hour​

Which of the following is a source of heat for magma formation? magma plumes in the continental crust friction due to divergence friction due to subduction magma plumes in the oceanic crust

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2