6.What direction of a negative charge are the electric field arrows pointing
towards?

What do you think car designers do if the damage caused by a crash test is too severe?

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

Aball horizontally thrown from a cliff at 8m/s