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tiny-mole [99]
3 years ago
10

An aircraft performs a maneuver called an "aileron roll." During this maneuver, the plane turns like a screw as it maintains a s

traight flight path, which sets the wings in circular motion. If it takes it 35 s to complete the circle and the wingspan of the plane is 11 m, what is the acceleration of the wing tip?
Physics
1 answer:
Dmitriy789 [7]3 years ago
3 0

Answer:

0.17724 m/s²

Explanation:

D = Diameter of roll = Length of wing = 11 m

T = Time it takes to complete the circle = 35 s

Velocity

v=\frac{2\pi R}{T}\\\Rightarrow v=\frac{\pi D}{T}\\\Rightarrow v=\frac{\pi\times 11}{35}\\\Rightarrow v=0.98735\ m/s

Acceleration

a=\frac{v^2}{R}\\\Rightarrow a=\frac{0.98735^2}{\frac{11}{2}}\\\Rightarrow a=0.17724\ m/s^2

Acceleration of the tip of the plane is 0.17724 m/s²

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To develop this problem we will use the concepts related to Speed in a string that is governed by Tension (T) and linear density (µ)

V = \sqrt{\frac{T}{\mu}}

Our values are given as:

f = 60Hz\\\mu = 230 g/m = 0.230kg/m\\T = 65N\\P = 75w

Replacing we have that the velocity is

V = \sqrt{\frac{T}{\mu}}

V = \sqrt{\frac{65}{0.230}}

V = 16.81m/s

From the theory of wave propagation the average power wave is given as

P =\frac{1}{2} \mu \omega^2 A^2 V

Where,

A = Amplitude

\omega = 2\pi f \rightarrow Angular velocity

A^2 = \frac{2P}{\mu \omega^2 V}

A^2 = \frac{2P}{\mu (2\pi f)^2 V}

Replacing,

A^2 = \sqrt{\frac{2(75)}{(0.230)(2\pi 60)^2(16.81)}}

A = 0.0165m

Therefore the amplitude of the wave should be 0.0165m

8 0
3 years ago
0.403 L is equal to: <br> 4.03 mL <br> 40.3 mL <br> 403 mL <br> 4,030 mL
Natalija [7]
The answer is 403 ml coz when you divide 0.403 with 1000 ml you get 403 ml
3 0
3 years ago
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How did tycho brahe's model of the universe differ from the greek geocentric model?
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3 years ago
Recall that if a line is parallel to the vector v and passes through the point P0, which is the tip of the position vector r0, t
Elenna [48]

Answer:

The vector equation of the line is

                                \overrightarrow{r}=+t

Parametric equations for given line are

                                       x=7+t\\y=-8+6t\\z=3-13t

Explanation:

The vector equation of the line is given by

                                     r(t) = r_{o} + tv

r₀ = (7, -8, 3)

v = (1, 6, -13)

At these points the vector equation for this line is:

\overrightarrow{r}=\overrightarrow{r_{o}}+t\overrightarrow{v}\\\overrightarrow{r}=+t

Parametric equations for given line are

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8 0
3 years ago
A sample of 4.50 g of methane occupies 12.7 dm3 at 310 K. (a) Calculate the work done when the gas expands isothermally against
valkas [14]

Answer:

(A) Work done will be 87.992 KJ

(B) Work done will be 167.4 KJ            

Explanation:

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And volume is increased by 3.3dm^3 so V_2=12.7+3.3=16liters

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(b) At reversible process work done is given by W=nRTln\frac{V_2}{V_1}

We have given mass = 4.5 gram

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So number of moles n=\frac{mass\ in\ gram}{mol;ar\ mass}=\frac{4.5}{16}=0.28125

So work done W=0.28125\times 8.314\times 310ln\frac{16}{12.7}=167.4J

7 0
3 years ago
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