betwA hot air balloon rising vertically is tracked by an observer located 7 km fromthe lift-off point. At a certain moment, theinterangle between the observer's line of sight and the horizontal isand it is changing at a rate of 0.5 rad/min. How fast is theballoon rising at this moment?be the height of the balloon (in km), t be time (in minutes), and 0 the angle between the line-of-sight and the horizontalyLetand(in radians).(Use decimal notation. Give your answer to two decimal places.)Askedkm/mindtGiv4 kLetheiTh2

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Asked Oct 20, 2019
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betw
A hot air balloon rising vertically is tracked by an observer located 7 km from
the lift-off point. At a certain moment, the
inter
angle between the observer's line of sight and the horizontal is
and it is changing at a rate of 0.5 rad/min. How fast is the
balloon rising at this moment?
be the height of the balloon (in km), t be time (in minutes), and 0 the angle between the line-of-sight and the horizontal
y
Let
and
(in radians).
(Use decimal notation. Give your answer to two decimal places.)
Asked
km/min
dt
Giv
4 k
Let
hei
Th
2
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betw A hot air balloon rising vertically is tracked by an observer located 7 km from the lift-off point. At a certain moment, the inter angle between the observer's line of sight and the horizontal is and it is changing at a rate of 0.5 rad/min. How fast is the balloon rising at this moment? be the height of the balloon (in km), t be time (in minutes), and 0 the angle between the line-of-sight and the horizontal y Let and (in radians). (Use decimal notation. Give your answer to two decimal places.) Asked km/min dt Giv 4 k Let hei Th 2

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Expert Answer

Step 1

Given that,

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de =0.5 rad/m and e dt

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Step 2

Using the given information to sketc...

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У ө 7 km

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