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kondor19780726 [428]
3 years ago
14

How fast does a skydiver fall? please label ur answer

Physics
1 answer:
Murrr4er [49]3 years ago
8 0

Answer:

As a skydiver falls, he accelerates downwards, gaining speed with each second. The increase in speed is accompanied by an increase in air resistance so it depends

Explanation:

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Name at least two limitations of using models in science.
saw5 [17]

Explanation:

Missing Details. Most models can't incorporate all the details of complex natural phenomena. 

Most Are Approximations. Most models include some approximations as a convenient way to describe something

7 0
3 years ago
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a camcorder has a power rating of 19 watts. If the output voltage from its battery is 5 volts, what current does it use
Mama L [17]
3.8 amperes
work: 19w/5v=3.8amps
8 0
4 years ago
Cierto volumen de gas se encuentra a 60°c de temperatura y 5atm de presión, es calentado hasta 140°c, estado en el cual ocupa un
earnstyle [38]

Answer:

V1 = 2221.33 L

Explanation:

The system is about a ideal gas. Then you can use the equation for ideal gases for a volume V1, temperature T1 and pressure P1:

P_1V_1=nRT_1   (1)

And also for the situation in which the variables T, V and P has changed:

P_2V_2=nRT_2   (1)

R: constant of ideal gases = 0.082 L.atm/mol.K

For both cases (1) and (2) the number of moles are the same. Next, you solve for n in (1) and (2):

n=\frac{P_1V_1}{RT_1}\\\\n=\frac{P_2V_2}{RT_2}

Next, you equal these equations an solve for T2:

\frac{P_1V_1}{RT_1}=\frac{P_2V_2}{RT_2}\\\\V_1=\frac{P_2V_2T_1}{P_1T_2}

Finally you replace the values of P2, V2, T1 and T2:

V_1=\frac{(7atm)(680L)(140\°C)}{(60\°C)(5atm)}=2221.33\ L

Hence, the initial volume of the gas is 2221.33 L

5 0
4 years ago
A 20-N falling object encounters 4 N of air resistance. The magnitude of the net force on the object is?
Irina18 [472]

16-N because 20-4=16

8 0
3 years ago
I need to know the answer to the question
nasty-shy [4]
Mostly a hope this helped
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3 years ago
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