an object of mass 3kg floats motionless in a fluid of gravity 0.8 what is the magnitude of the buoyant force

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)

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