QUIZ 2 ANSWER KEY
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1. What is the transfer of energy in the process of shooting an arrow?
Chemical Energy, To Potential Energy, To
Kinetic Energy.
2. What is the archer’s paradox?
The arrow bends and flexes in
flight after the release. The flexible arrow snaps around the
limb of
the bow and continues following the
path of the bowstring traveling straight toward a target.
3. In a real-life situation, what forces act on an arrow after it has been launched?
The force of gravity, air resistance, possibly
wind. (Air resistance is most likely negligible.)
4.
What components of an arrow stabilizes
the arrow in motion?
The
tip/head and fletching (feathers) help
stabilize the arrow in flight.
5.
An archer shoots an arrow at a target 75
m away that is set at the same vertical height.
What angle must the arrow be shot to hit the target if the
initial speed is 35 m/s.
The angle would need to be 18.46 degrees
above the horizontal.