Plz help, dont need to do the last question

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

Hey student studies gravity using objects that have the same mass which two objects have the greatest gravitational force acting between them a. 100kg 1.0m 100kg b. 100kg 2.0m 100kg c. 100kg 2.0m 100kg big d. 100kg big 3.0m 100kg big