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  1. Let  v = 30 cm /s.  The wave moves out radially so the radius, r, can be written...

    2 Answers · Science & Mathematics · 10/09/2020

  2. There must be some other information. Maybe you know the triangle is similar to another triangle, or you know a side is parallel to some other line, or an angle is complementary to some other angle.

    2 Answers · Science & Mathematics · 14/09/2020

  3. A rectangular prism has a volume of 1050 cm ^3.  If the height of the prism is 3 cm less than the width of the base...

    2 Answers · Science & Mathematics · 03/09/2020

  4. Removing squares of side x cm will leave a tray with dimensions 20 - 2x by 16 - 2x by x so, volume...

    2 Answers · Science & Mathematics · 03/09/2020

  5. ...://www.abebooks.com/servlet/SearchResults?bi=h&bx=off& cm _sp=SearchF-_-Advtab1-_-Results&ds=30&n=100121503...

    3 Answers · Arts & Humanities · 29/08/2020

  6. a) open/open pipe Resonances occur every ½ wavelength, and the third occurs at 3/2 wavelengths in the pipe. v = fλ 336 m/s = 256Hz * λ λ = 1.3125 m Then L = (3/2)λ = 1.97 m b) open/closed pipe Resonances occur every odd...

    1 Answers · Science & Mathematics · 25/08/2020

  7. U = ½(420)(0.55² - 0.30²) = 44.625 ≈ 45 J

    1 Answers · Science & Mathematics · 21/08/2020

  8. ...pi*(100-81) = 400*19*pi = 7600*pi =~ 23876.104167282428612316089712924 b) Change 20 cm to 0.2 m and 18 cm to 0.18 m, so we have: 1000 * (pi*(0.2/2)^2 - pi*(0.18/2...

    3 Answers · Science & Mathematics · 21/08/2020

  9. 15 cm rise means that's a HUGE clock. Assume the mass of the...

    1 Answers · Science & Mathematics · 20/08/2020

  10. The path length difference on the third nodal line is 3½½ wavelengths. So 3½½ * λ = (30.5 - 21.0) cm = 9.50 cm λ = 2.71 cm f = v / λ = 5.16 Hz

    1 Answers · Science & Mathematics · 19/08/2020

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