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2 years ago

The majority of which type of dancing was created in African American communities?

2 answers:

6 0

Swing dance is a group of dances that developed with the swing style of jazz music in the 1920s–1940s, with the origins of each dance predating the popular "swing era". ... Today, the best-known of these dances is the Lindy Hop, which originated in Harlem in the early 1930s.

icang [17]2 years ago

4 0

Answer:

THE ANSWER IS THE SWING

Explanation:

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The propeller of a World War II fighter plane is 2.30 m in diameter. (a) What is its angular velocity in radians per second if i

Sergio [31]

Answer with Explanation:

We are given that

Diameter of fighter plane=2.3 m

Radius= $r=\frac{d}{2}=\frac{2.3}{2}=1.15 m$

a.We have to find the angular velocity in radians per second if it spins=1200 rev/min

Frequency= $\frac{1200}{60}=20 Hz$

1 minute=60 seconds

Angular velocity= $\omega=2\pi f$

Angular velocity= $2\times \frac{22}{7}\times 20=125.7 rad/s$

b.We have to find the linear speed of its tip at this angular velocity if the plane is stationary on the tarmac.

$v=r\omega=1.15\times 125.7=144.56 m/s$

c.Centripetal acceleration= $\omega^2 r=(125.7)^2(1.15)=18170.56 m/s^2$

Centripetal acceleration== $\frac{18170.56\times g}{9.81}=1852.25 g m/s^2$

7 0

3 years ago

Trivia Time!! At what velocity does light move?

Maslowich

Explanation:

Light Light from a moving source travels at 300,000 km/sec (186,000 miles/sec).

Note:

The Speed of Light Is Constant.

7 0

2 years ago

Read 2 more answers

Which statements are true about ionic compounds?A. An ionic compound can be named using prefixes.B. An ionic compound is made of

Damm [24]

The correct answer is d.

5 0

3 years ago

During which change of state would the volume of a aubstance increase the most ?

wel

The answer is D. Sublimation, because it has change of state it has a volume of a substances it increase the most.

6 0

3 years ago

A planet's density can be measured by combining

Lena [83]

Answer:

a. Doppler and transit observations.

Explanation:

By means of the dopler effect, the radial velocity of an extrasolar planet can be measured, this is achieved by observing Doppler shifts in the spectrum of the star around which the planet orbits. This measure, combined with the transit observations, makes possible determine the density of the planet.

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3 years ago