What is the acceleration of a car that begins at a velocity of 0 meters per second, and after 1 minute is traveling at 10 meters per second

Select all of the following that are equal to an impulse of 20 unitsa) force= 5, time= 5.5b) force= 25, time= 0.8c) force= 0.1, time= 200d) force= 10, time= 2(its b, c, and d)(also in order to find answer they have to add to get the unit)ex= 25x.8=20 or .1x200=20

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?

An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.