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Abird sitting high in a tree is an example of what type of wnergy
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What are two different ways you could find the value of a? explain these methods.
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Emmy kicks a soccer ball up at an angle of 45° over a level field. she watches the ball's trajectory and notices that it lands, two seconds after being kicked, about 20 m away to the north. assume that air resistance is negligible, and plot the horizontal and vertical components of the ball's velocity as a function of time. consider only the time that the ball is in the air, after being kicked but before landing. take "north" and "up" as the positive ‑ and ‑directions, respectively, and use ≈10 m/s2 for the downward acceleration due to gravity.
Answers: 2
10. In 1987 Stefka Kostadinova from Bulgaria set a new women's record in high jump. It is
known tha...
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