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VLD [36.1K]
3 years ago
10

How many Medals in the Luge does the U.S. have?

Physics
1 answer:
Dafna11 [192]3 years ago
7 0

Answer:

American athletes have won a total of 2,523 medals (1,022 of them gold) at the Summer Olympic Games and another 305 (105 of them gold) at the Winter Olympic Games, making the United States the most prolific medal-winning nation in the history of the Olympics.

Explanation:

Hope this helps! ^^

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Which of the following describes an electric conductor?
IrinaVladis [17]

Yo sup??

the correct answer is option C ie

a material that has a low resistance and allows charges to move freely

this is a basic property shown by conductors

Hope this helps

6 0
3 years ago
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4. There is a flashing yellow light at the intersection you are approaching. What does the flashing yellow light indicate, and w
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It indicates that you should proceed with caution. You should slow down and be prepared to stop to safely navigate this intersection.  
4 0
4 years ago
III. When you are on a rollercoaster, at what point will you have the highest amount of
Free_Kalibri [48]

Answer:

b

Explanation:

I think so I'm not 100% sure sorry

8 0
3 years ago
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What region of the electromagnetic spectrum contains wavelengths the size of an atom? (10^-10 meters) What frequency does this w
DENIUS [597]

If a photon has a wavelength of about 10^-10 meters, it would be certainly in the X rays region and it would have a frequency of 2.99792458x10^18 Hz, that you can easily calculate using the relation that states that the product of the wavelength and the frequency of an electromagnetic wave aka light is always equal to 299,792,458 m/s which is the exact value of the speed of light!
3 0
4 years ago
A solid circular shaft and a tubular shaft, both with the same outer radius of c=co = 0.550 in , are being considered for a part
Norma-Jean [14]

Answer:

The power for circular shaft is 7.315 hp and tubular shaft is 6.667 hp

Explanation:

<u>Polar moment of Inertia</u>

(I_p)s = \frac{\pi(0.55)4}2

      = 0.14374 in 4

<u>Maximum sustainable torque on the solid circular shaft</u>

T_{max} = T_{allow} \frac{I_p}{r}

         =(14 \times 10^3) \times (\frac{0.14374}{0.55})

         = 3658.836 lb.in

         = \frac{3658.836}{12} lb.ft

        = 304.9 lb.ft

<u>Maximum sustainable torque on the tubular shaft</u>

T_{max} = T_{allow}( \frac{Ip}{r})

          = (14 \times10^3) \times ( \frac{0.13101}{0.55})

          = 3334.8 lb.in

          = (\frac{3334.8}{12} ) lb.ft

          = 277.9 lb.ft

<u>Maximum sustainable power in the solid circular shaft</u>

P_{max} = 2 \pi f_T

          = 2\pi(2.1) \times 304.9

          = 4023.061 lb. ft/s

          = (\frac{4023.061}{550}) hp

          = 7.315 hp

<u>Maximum sustainable power in the tubular shaft</u>

P _{max,t} = 2\pi f_T

            = 2\pi(2.1) \times 277.9

            = 3666.804 lb.ft /s

            = (\frac{3666.804}{550})hp

            = 6.667 hp

7 0
3 years ago
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