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Deffense [45]
3 years ago
12

A Ferris Wheel, starting from rest, undergoes a constant angular acceleration of 0.033 rad/s2 to get to its final operating angu

lar velocity of 0.24 rad/s. (a) How long does it take the Ferris Wheel to get to its operating angular velocity
Physics
1 answer:
vekshin13 years ago
7 0

Answer:

The time taken for the Ferris Wheel to get the final angular velocity is 7.27 s.

Explanation:

Given;

initial angular velocity of the Ferris Wheel, \omega _i = 0

angular acceleration, α = 0.033 rad/s²

final angular velocity, \omega _f = 0.24 rad/s

The time taken for the Ferris Wheel to get the final angular velocity is calculated as;

t = \frac{\omega _f - \omega _i}{\alpha} \\\\t = \frac{o.24 -0}{0.033}\\\\t = 7.27 \ s

Therefore, the time taken for the Ferris Wheel to get the final angular velocity is 7.27 s.

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10. How do you use a triple-beam balance? Fill in the blanks.
wolverine [178]

Answer:

1st – Place the film canister on the <u>scale</u>.

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4th – Slide the <u>small </u>weight on the front beam until the <u>lines</u> match up.

5th – Add the amounts on each beam to find the total <u>mass </u>to the nearest tenth of a gram.

Explanation:

The triple beam balance is an instrument that is used in measuring the mass of substances to a very high degree of precision. The reading error is given by ±0.05 grams. The triple beam balance as the name implies has three beams that measure substances of different mass levels.

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5 0
3 years ago
The displacement of a wave traveling in the positive x-direction is y(x, t)|= (3.5 cm)cos(2.7x − 92t), where x is in m and t is
zubka84 [21]

Answer

Given,

y(x, t) = (3.5 cm) cos(2.7 x − 92 t)

comparing the given equation with general equation

y(x,t) = A cos(k x - ω t)

 A = 3.5 cm  , k = 2.7 rad/m    , ω = 92 rad/s

we know,

a) ω =2πf

   f = 92/ 2π

   f = 14.64 Hz

b) Wavelength of the wave

 we now, k = 2π/λ

      2π/λ = 2.7

      λ = 2 π/2.7

      λ = 2.33 m

c) Speed of wave

     v = ν λ

     v = 14.64 x 2.33

     v = 34.11 m/s

5 0
3 years ago
A bike travels 4 miles in half an hour, what is its speed?
omeli [17]

Answer:

8 mph

Explanation:

4 miles in half hour so you add 4 more for the second half

3 0
3 years ago
With which of the following statements would Whorf and Sapir agree?
ASHA 777 [7]
Hi!

The answer is <span>B. Language influences how people understand their world.

Hope this helps!

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6 0
3 years ago
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PLS HELP ME OUT!!
MaRussiya [10]
In order to solve this problem, we must first find out the value of each line on the number line. However, we can make this problem more simple by ignoring every interval except for the ones between 0 and 6. There are three total intervals in between 0 and 6 (including 6 and excluding 0). Therefore, we can do 6/2, and get an interval value of 2. This means that each line adds a value of 2. Since the car is only one line past zero, we only have to add one value of 2. Since 0 + 2 = 2, our final answer is C. 2.

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3 years ago
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