During a collision with another car, the occupants of a minivan initially travelling at 4.0 m/s come to a complete stop in 0.5 s. what was the acceleration of the occupants of the minivan? a) 8.0 m/s2 b) –8.0 m/s2 c) 2.0 m/s2 d) –2.0 m/s2

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

Find the equation for the plane through upper p 0 left parenthesis negative 4 comma negative 8 comma negative 5 right parenthesis perpendicular to the following line. xequalsnegative 4 minus t, yequalsnegative 8 plus 2 t, zequals3 t, minusinfinityless thantless thaninfinity

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