- o Multiple Choice 1 point Why do sports coaches often emphasize "follow -through" when hitting a ba To increase the time of contact with the ball To make the player look more graceful To decrease the time of contact with the ball To increase the force applied to the ball
- Question 2 Consider two charges, where one (+3.80nC) is at the origin and the other (-14.4nC) is at the position x=2.86 cm. Find the xcoordinate where a proton would experience zero net force. Answer: square disappointed
- 8 Multiple Choice 1 point What is the relationship between force and time in an impulse when the change in momentum remains constant? Force and time are always equal Force and time are not related As force increases.time increases As force increases time decreases
- 7 Multiple Choice 1 point How does an impulse affect a running back who bounces off another player without stopping? It changes the player's direction It has no effect on the player It stops the player's momentum It increases the player's mass
- Question 2 (1 point) 1) Listen A cyclist travelling at +8m/s accelerates at +2m/s^2 for 5 s. What is the cyclists final velocity? +10m/s +18m/s +8m/s +40m/s
