The mass of an object will be the what? on earth or the moon?

Anybody wanna ? (picture included? )

This event is the result of a sudden vertical offset in the ocean floor and is most often the result of plate movement on the ocean floor. it destroys coast lines and coastal settlements. what is the event called that causes this type of physical damage? a. volcano b. tsunami c. landslide d. liqufication pls !

Calculate the speed of segment c. (science question)1.7 m/s .4 m/s*****.6 m/s 2.3 m/s