Why do lithospheric plates move constantly?
a. lunar gravity
b. tidal drift
c. density differences
d. surface winds

Modify the equation fδt=δ (mv) to find the force of friction.

What causes the formation of ocean currents?

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates