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Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

(a) With what speed must a ball be thrown directly upward so that it remains in the air for 10 seconds? (b) What will be its speed when it hits the ground? (c) How high does the ball rise?

category

physics

options

  1. (a) 150 ft/sec, (b) -150 ft/sec, (c) 350 ft
  2. (a) 160 ft/sec, (b) -160 ft/sec, (c) 400 ft
  3. (a) 120 ft/sec, (b) -120 ft/sec, (c) 300 ft
  4. (a) 200 ft/sec, (b) -200 ft/sec, (c) 600 ft
  5. (a) 110 ft/sec, (b) -110 ft/sec, (c) 280 ft
  6. (a) 190 ft/sec, (b) -190 ft/sec, (c) 550 ft
  7. (a) 170 ft/sec, (b) -170 ft/sec, (c) 450 ft
  8. (a) 140 ft/sec, (b) -140 ft/sec, (c) 380 ft
  9. (a) 180 ft/sec, (b) -180 ft/sec, (c) 500 ft
  10. (a) 130 ft/sec, (b) -130 ft/sec, (c) 320 ft

src

stemez-Physics

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Official source

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