124 sc130 test 3 • Name:

  1. Number one cloud name:
  2. Number two cloud name:
  3. Number three cloud name:
  4. The tide produced by the moon at first and last quarter (half of the face of the moon visible in the sky) is called a:
    (A) Neap tide (B) Spring tide (C) King tide (D) Perigee (E) Perihelion
  5. The tide produced by the full moon (full face) and new moon (no moon) is called a:
    (A) Neap tide (B) Spring tide (C) King tide (D) Perigee (E) Perihelion
  6. A spring tide produced in northern hemisphere winter when the Earth is at perihelion and the moon, sun, and earth line up is called a:
    (A) Neap tide (B) Spring tide (C) King tide (D) Perigee (E) Perihelion
  7. The closest approach of the moon to the earth is called:
    (A) Neap tide (B) Spring tide (C) King tide (D) Perigee (E) Perihelion
  8. The closest approach of the earth to the sun is called:
    (A) Neap tide (B) Spring tide (C) King tide (D) Perigee (E) Perihelion
  9. A RipStik was swizzled ("wiggled") across an airport parking lot. The sinusoidal swizzle wave can be seen in the diagram below.
    RipStik swizzle sine wave 8 cm 80 cm RipStik riders Shanalin and Tristan

    λ = _________ _________ Determine the wavelength λ of one wave of the RipStik swizzle wave.
  10. a = _________ _________ Determine the amplitude a of the RipStik swizzle wave.
  11. τ = _________ _________ The RipStik took a duration of 0.60 seconds to travel the 80 centimeters seen on the diagram above. Determine the period τ for the RipStik swizzle wave.
  12. f = _________ _________ Calculate the RipStik swizzle wave frequency f.
  13. ѵwave = _________ _________ Use the wavelength λ and frequency f to calculate the velocity ѵwave of the RipStik swizzle wave.
  14. _________ How many wavelengths in all are there on the "paper" above?
  15. τ = ________ _________ While gathering data for laboratory nine, a clapper clapping in synch with the echo claps 30 times in ten seconds. Based on this data, what is the period for the echo (the out-and-back time)?
  16. velocity ѵ = _________ _________ During ten seconds a clapper claps 30 times. The echo flight distance is measured as being 120 meters. Based on this data, what is the speed of sound?
  17. _______________ Red objects reflect what color of light?
  18. __________ __________ __________What are the primary colors of light?
  19. _______________ What color is produced by an HSL color angle of 0 degrees?
  20. _______________ What color is produced by an HSL color angle of 120 degrees?
  21. _______________ What color is produced by an HSL color angle of 240 degrees?
  22. In the HSL system hue is: _____________________________
  23. In the HSL system saturation is: _____________________________
  24. In the HSL system luminosity is: _____________________________
  25. Define reflection:
  26. Define refraction:
  27. In a micro-hydro electric power generating system, what is head?

  28. In a micro-hydro electric power generating system, what is flow?

  29. ____________________ Which concept in electrical circuits best corresponds to head?
  30. ____________________ Which concept in electrical circuits best corresponds to flow?
  31. ___________ __________ What type of circuit produces "heat but no light"?
  32. Plot the data below on the graph provided. Draw a best fit trend line through the data.
    Optical image depth

    Data

    current (A)voltate (V)
    00
    0.41.6
    0.72.8
    1.14.4
    1.24.8
    background rectangle major grid lines axes text layers Current versus voltage current (A) voltage (volts) y-axis labels 0 1 2 3 4 5 x-axis labels 0 0.4 0.8 1.2 1.6 2.0


    ____________ ________ For the data above, what is the resistance?
  33. ____________ ________ Calculate the power used in Watts for a Dell Optiplex 780 pulling 4 Amperes at 115 volts.
  34. ____________ ________ Calculate the electrical resistance for a Dell Optiplex 780 pulling 4 Amperes at 115 volts.

[ V = iR ] [ P = iV ]