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Vanyuwa [196]
3 years ago
13

How does an airplane's kinetic energy and potential energy change as it takes off and lands

Physics
2 answers:
bagirrra123 [75]3 years ago
4 0
1) take off: potential energy equals to 0, kinetic is very high as it's seeped up
2) assending: potential energy grow, kinetic energy depends if pilot accelerates much or not, but normally he is, so there is some kinetic energy as well but less than on take off 
3) flying: potential energy reaches it's maximum, there is some kinetic energy as aircraft flys
4) descending: potential energy goes down, kinetic increase due to gravity.
5) landing: potential energy is zero, kinetic is max until pilot press brakes.
Hitman42 [59]3 years ago
3 0
Mostly gravity voloume and sometimes what it is made of

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icang [17]

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16 male students, 11 female students

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33 Celsius is 306.15 in absolute temperature

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In a controlled experiment, a scientist is studying how long it takes feathers of different sizes to fall to the ground. What is
nikdorinn [45]

Answer: independent variable: Size of the feather.

Explanation:

In an experiment, the manipulated/independent variable is, as the name implies, the variable that the scientist can control.

In this case, the scientist has only one variable that he can control at will, and this is the size of the feather (he can choose which feather he uses for the experiment)

So the manipulated variable will be the size of the feather.

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5 0
3 years ago
A child (approximately 4 years old) takes her metal “slinky Toy” (a flexible coiled metal spring) and does various tests to dete
anzhelika [568]

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248

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l = length of the slinky = 3 m

N = number of turns in the slinky

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Area of slinky is given as

A = πr²

A = (3.14) (0.04)²

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8 0
2 years ago
A 5 kg ball of clay is moving with a speed of 25 m/s directly toward a 10 kg ball of clay which is at rest. The two clay balls c
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Answer:

8.3m/s

Explanation:

Given parameters:

mass of clay ball  = 5kg

Speed of clay ball  = 25m/s

mass of clay ball at rest  = 10kg

speed of clay ball at rest  = 0m/s

Unknown:

Velocity after collision  = ?

Solution:

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         125 = 15v

           v  = 8.3m/s

7 0
2 years ago
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