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QUESTION

Velocity of a Hot-Air Balloon A hot-air balloon rises vertically from the ground so that its height after sec is ft .

A hot-air balloon rises vertically from the ground so that its height after  sec is  ft .

H= 1/2(t^2) + 1/2 (t) ( 0

  1. What is the height of the balloon at the end of  sec?
  2. What is the average velocity of the balloon between  and ?
  3. What is the velocity of the balloon at the end of  sec?
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