7. A baseball is thrown by the center fielder (from shoulder level) to home plate where it is caught (on the fly at shoulder level) by the catcher. At what point is the ball's speed a maximum? (air resistance is negligible)
7. A baseball is thrown by the center fielder (from shoulder level) to home plate where it is caught (on the fly at shoulder level) by the catcher. At what point is the ball's speed a maximum? (air resistance is negligible)
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Transcribed Image Text:7. A baseball is thrown by the center fielder (from shoulder level) to home
plate where it is caught (on the fly at shoulder level) by the catcher. At what
point is the ball's speed a maximum? (air resistance is negligible)
a. just after leaving the center fielder's hand
b. the speed is the same along the trajectory
c. at the top of the trajectory
8. Point A is close to an electron. Point A is further from the electron. Points
A and B and the electron are along a straight line. Which of the following
statements are true?
A. The field is weaker at point B than A and is directed from A to B
B. The field is stronger at point B than A and is directed from B to A
C. The field is stronger at point A than B and is directed from B to A
D. The field is weaker at point A than B and is directed from A to B
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