4. Chase hopes to make the school varsity baseball team. While participating in batting practice, Chase gets a big hit and
accelerates the 0.150 kg baseball at a rate of 2.90 E4 m/s2. How
much force was exerted on the baseball to cause the acceleration?

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question

The electric field direction is defined by the direction of the force felt by (select one of the following answers): 1. a negative charge. 2. a positive charge. 3. both positive and negative charges.

Name two kinds of practical electric pumps.