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2 years ago

15

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2 answers:

makvit [3.9K]2 years ago

8 0

It was the Battle of Dak

Nezavi [6.7K]2 years ago

8 0

Answer:

I dont remember much Vietnam war stuff that i was taught, but i believe its C (guesing) sorry if i was wrong

Explanation:

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3 years ago

A velodrome is built for use in the Olympics. The radius of curvature of the surface is 20.0 m. At what angle should the surface

kati45 [8]

Answer: $\theta =57.37^{\circ}$

Explanation:

Given

Radius of curvature=20 m

Speed of cyclist=17.5 m/s

we know that velocity during a turn is given by

$v=\sqrt{\frac{rg\left (tan\theta +\mu_s\right )}{1-\mu_stan\theta }}$

where v=speed

r=radius of curvature

$\theta$ =angle of banking

$\mu_s$ =coefficient of friction

g=acceleration due to gravity

here $\mu_s=0$

thus

$v=\sqrt{rgtan\theta }$

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$\theta =57.37^{\circ}$

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2 years ago