If the wavelength of a wave is 4 m, and the wave velocity is 8 m/s, then the frequency is _______?

Use the equation below!

a
2 Hz
b
32 Hz
c
0.5 Hz
d
8 Hz

13 answers

d. 8 Hz

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A polygon is a closed 2-D figure made up of straight lines.
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1 point
True
False

True

2. Select all the shapes that would be a polygon.
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1 point
circle
triangle
square
octagon

Triangle, square, and octagon are the shapes that would be polygons.

See the picture of the Big Dipper below. The Big Dipper forms a quadrilateral. Which shape best describes the quadrilateral you see in the picture?
Square
Rectangle
Trapezoid
Parallelogram

Parallelogram

Use a safe internet search to find another constellation that forms a polygon. (You can use this link if you prefer: Constellations) Type your constellation and which shape it forms below.
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1 point

Cygnus forms a triangle.

Use a safe internet search to find a constellation that DOES NOT form a polygon. (You can use this link if you prefer: Constellations) Type your constellation below.
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1 point

Orion.