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aleksandrvk [35]
2 years ago
5

A skydiver prepares to jump out of a plane. Explain how gravity and air resistance will affect the motion of the skydiver before

and after he or she opens the parachute.
Physics
2 answers:
jolli1 [7]2 years ago
4 0

Explanation :

When a skydiver prepares to jump out of the plane. Then two forces will acts i.e. the force of gravity and frictional force. Both forces act in the opposite direction.

When the person starts accelerating towards the earth, the gravitational force is stronger.

When he opens the parachute, the surface area increases and hence the resistive force increase. As a result, he or she attains the terminal velocity.

ahrayia [7]2 years ago
3 0
Before the skydiver opens the parachute, his velocity would be increasing greatly as much as 9.8 m/s². Opening the parachute would increase the surface area to which air may cause resistance. The skydiver then reaches his terminal velocity. 
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Katen [24]

Answer:

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This results in warming up air near the land which creates a difference in pressure across the coastal region. Sea breeze blows from sea towards landmass. Opposite happens at night, when water is still warm and land gets cooled down quickly. Then land breeze blows  from landmass towards the sea. This breeze maintains a moderate temperature and windy and humid weather in the coastal regions.

5 0
3 years ago
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Dmitry_Shevchenko [17]

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Explanation:

The average speed for the trip is given by:

v=\frac{d}{t}

where

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d = 187 km = 187,000 m is the distance travelled

The initial  time is 10:00 pm while the arriving time is 12:30 am: this means that the time elapsed is 2.5 hours. Converting into seconds,

t = 2.5 h \cdot (60)(60)=9000 s

Therefore, the average speed for the trip is

v=\frac{187,000}{9000}=20.8 m/s

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5 0
2 years ago
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Hope this helps :)

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Answer:

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