A hot air balloon is travelling vertically upward at a constant speed of 3.7 m/s. When it is 27 m above ground, a package is released from the ballon. a) After it's released, for how long is the package in the air in units of s? Acceleration of gravity is 9.8 m/s/s.  b)What is the speed just before impact with the ground in m/s?  c) Now assume the hot air balloon is traveling vertically downward at a constant speed of 3.7 m/s. After the package is released, how long is it in the air in s? d) What is the speed just before impact with the ground in m/s?

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Chapter1: Units, Trigonometry. And Vectors
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A hot air balloon is travelling vertically upward at a constant speed of 3.7 m/s. When it is 27 m above ground, a package is released from the ballon.

a) After it's released, for how long is the package in the air in units of s? Acceleration of gravity is 9.8 m/s/s. 

b)What is the speed just before impact with the ground in m/s? 

c) Now assume the hot air balloon is traveling vertically downward at a constant speed of 3.7 m/s. After the package is released, how long is it in the air in s?

d) What is the speed just before impact with the ground in m/s? 

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