A stationary body is acted upon by a number of forces. Sstate two conditions which must apply for the body to remain at rest

Using a pedometer, you walk 3000 steps in 20 minutes, so your speed is 150 steps/min. each of your steps is 0.7 m long. what is your speed? 150 steps/min=/s=/h

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.

When electrons are added to the outermost shell of a carbon atom, it forms--an anion that has a larger anion that has a smaller cation that has a larger cation that has a smaller radius.