Atennis player hits a 1.45 kg tennis ball with a racket of mass 2.5 kg. if he hits the ball with a velocity of 7.5 m/s and then stops, what impulse did he imply on the ball? what is the ball’s velocity?

Apossible explanation for a set of facts that can be tested by further investigation is called

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples