Kaitlin uses a bat to hit a thrown baseball. She knocks the ball back in the direction from which it came in an inelastic collision. The bat, which is heavier than the baseball, continues to move in the same direction after the hit as Kaitlin "follows through.". Is the ball moving faster before or after it was hit?
a. The ball was moving faster before it was hit.
b. The ball was moving faster after it was hit.
c. The ball was moving at essentially the same speed before and after the hit.
d. There is insufficient information to answer this problem.
D
You might also like to view...
A star will experience a helium flash if
a. it is less massive than about 3 solar masses b. its has become a red giant star c. its has formed a helium core d. the material in the core has gradually become degenerate e. All of the above must be true.
Ben leaves his home and walks to the bank, then back home in a total of 30 minutes. What is his average speed?
A. 1/3 block/min B. 0 blocks/min C. 1/6 block/min D. 10 blocks/min
If M = 2.0 kg, what is the tension in string 1?
a.
1.2 N
b.
11 N
c.
34 N
d.
3.5 N
e.
40 N
Why does Ptolemy include epicycles in his model?
What will be an ideal response?