Force of attraction between the earth(m=5.98x10^24) and a 70 kg student. distance of 6.38x10^6

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

True or false graphs must include scales that increase by the same amount

Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n