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siniylev [52]
3 years ago
10

3. A tennis ball is thrown straight up into the air with an initial velocity of 8.9 m/s. -9.81 gravity

Physics
1 answer:
otez555 [7]3 years ago
5 0

Answer:

a. time is 0.91s

b. height is 4.04m

Explanation:

  • t = u/g
  • t = 8.9/9.81 = 0.91s
  • the time it takes for the tennis ball to reach its highest point is 0.91 seconds

  • S = u²/2g
  • S = 8.9²/2x9.81
  • s = 79.21/19.62
  • s = 4.04m
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