psd3

1. Explain the meaning of neap tide, spring tide, and king tide.
2. For the next few questions the instructor should have brought a thermometer. He will write some values on the board. Use those values for the questions below.
   1. _______°C What is the dry bulb temperature?
   2. _______°C What is the wet bulb temperature?
   3. _______% Use a table to determine the relative humidity.
   4. _______°C Use a table to determine the heat index (the perceived temperature).
   5. ______________ What is the risk level for exercise: low, moderate, or high?
3. A RipStik was swizzled across a poster pad paper. The swizzle wave can be seen in the diagram below.
   
   
   _________ How many wavelengths are there on the "paper" above?
4. λ = _________ _________ Determine the wavelength λ of one wave of the RipStik swizzle wave.
5. a = _________ _________ Determine the amplitude a of the RipStik swizzle wave.
6. τ = _________ _________ The RipStik took a duration of 0.80 seconds to travel the 100 centimeters seen on the diagram above. Calculate the period τ for the RipStik swizzle wave.
7. f = _________ _________ Calculate the RipStik swizzle wave frequency f.
8. ѵ_wave = _________ _________ Use the wavelength λ and frequency f to calculate the velocity ѵ_wave of the RipStik swizzle wave.
9. τ = ________ _________ While gathering data for laboratory nine, a clapper clapping in synch with the echo claps 20 times in ten seconds. Based on this data, what is the period for the echo (the out-and-back time)?
10. velocity ѵ = _________ _________ During ten seconds a clapper claps 20 times. The echo flight distance is measured as being 175 meters. Based on this data, what is the speed of sound?
11. List the primary colors of light (additive colors):
12. List the secondary colors of light (additive colors):
13. List the primary colors of paint, pigments and printers (subtractive colors):
14. List the secondary colors of paint, pigments and printers (subtractive colors):
15. ________ What color is #0F0?
16. ________ What color is #0FF?
17. ________ What color is #000?
18. What is hue?
19. What is saturation?
20. What is luminosity?
21. A glass is filled with water. The top of the glass is covered with a sheet of plastic and the glass is turned-upside down. As seen on Monday, the water stays in the glass. Add labelled force arrows to the diagram to explain why the water stays in the glass.
    
    
    
    
22. As a runner who juggles (joggler), I have to be constantly of the wind environment around me. In the diagram a joggler in the wind shadow (the leeward side) of a building approaches the corner of the building. The air speed is higher at the corner of the building. What is the name of this effect?
23. For the next few questions the instructor should have brought a thermometer and tables of values. He will write some values on the board. Use those values for the questions below.
    
    _______°C What is the dry bulb temperature?
24. _______°C What is the wet bulb temperature?
25. _______°C What is the wet bulb depression?
26. _______% Use a table to determine the relative humidity.
27. _______°C Use a table to determine the heat index (the perceived temperature).
28. ______________ What is the risk level for exercise: low, moderate, or high?
29. A RipStik was swizzled ("wiggled") across a poster pad paper. The sinusoidal swizzle wave can be seen in the diagram below.
    
    
    λ = _________ _________ Determine the wavelength λ of one wave of the RipStik swizzle wave.
30. a = _________ _________ Determine the amplitude a of the RipStik swizzle wave.
31. τ = _________ _________ The RipStik took a duration of 0.32 seconds to travel the 36 centimeters seen on the diagram above. Determine the period τ for the RipStik swizzle wave.
32. f = _________ _________ Calculate the RipStik swizzle wave frequency f.
33. ѵ_wave = _________ _________ Use the wavelength λ and frequency f to calculate the velocity ѵ_wave of the RipStik swizzle wave.
34. _________ How many wavelengths in all are there on the "paper" above?
35. τ = ________ _________ While gathering data for laboratory nine, a clapper clapping in synch with the echo claps 15 times in ten seconds. Based on this data, what is the period for the echo (the out-and-back time for one echo)?
36. velocity ѵ = _________ _________ During ten seconds a clapper claps 15 times. The echo flight distance is measured as being 224 meters. Based on this data, what is the speed of sound?
37. Based on observations in class, which of the following spectra is helium (He), which is mercury (Hg), and which is neon (Ne)?
    

 1.	A black cloth is black in color because the cloth is...	1.	________________
2.	A white cloth is white in color because the cloth is	2.	________________
3.	Which color of cloth gets hotter under the sun, black or white?	3.	________________
4.	Absorbed light is converted to...	4.	________________
5.	Red objects absorb all colors except...	5.	________________
6.	Red objects reflect what color of light?	6.	________________
7.	Why is the sky blue?	7.	________________
8.	The primary color of pigments, dyes, and objects are:	8.	________________
9.	The primary colors of light are:	9.	________________
10.	The spectrum produced by the sun is what type of spectrum?	10.	________________
11.	The spectrum produced by a fluorescent light bulb is what type of spectrum?	11.	________________
12.	How many colors are in a continuous spectrum?	12.	________________
13.	List the secondary colors of light	13.	________________
14.	What color is #F00?	14.	________________
15.	What color is #0F0?	15.	________________
16.	What color is #FF0?	16.	________________
17.	What color is #F0F?	17.	________________
18.	What color is #F80?	18.	________________
19.	What is the color angle for red in the HSL system?	19.	________________
20.	In the HSL system hue is...	20.	________________
21.	In the HSL system saturation is...	21.	________________
22.	In the HSL system luminosity is...	22.	________________
23.	What is the name of the color system that uses color words such as red, crimson, cyan, and antiquewhite?	23.	________________
24.	What color is produced by a color angle of 0 degrees?	24.	________________
25.	What color is produced by a color angle of 180 degrees?	25.	________________

38. ______________________________
39. ______________________________
40. ______________________________
41. List the seven colors of the Newtonian spectrum in order:
42. Is the spectrum shown discrete | or | continuous?
    
43. Is the spectrum shown discrete | or | continuous?
    
44. ________ In the early morning, which direction (North, South, East, or West) is the rainbow?
45. List the primary colors of light (additive colors):
46. List the secondary colors of light (additive colors):
47. List the primary colors of paint, pigments and printers (subtractive colors):
48. List the secondary colors of paint, pigments and printers (subtractive colors):
49. ________ What color is #F00?
50. ________ What color is #FF0?
51. ________ Toughie: What color is #F80?
52. What is hue?
53. What is saturation?
54. What is luminosity?
55. ________ What is the color angle for red?
56. ________ What color is produced by a color angle of 240°?
57. Without different WAVELENGTHS/AMPLITUDES of light we would not be able to see different colors of things.
58. The colors of the rainbow CAN / CANNOT be broken down or separated further.
59. The PHOTONS / CHEMICALS in the skins of fruits and vegetables absorb & reflect light to make them look different colors.
60. Black is seen when light is almost completely ABSORBED / REFLECTED. The energy is then changed to HEAT / COLOR.
61. Mixing colors of paint gives you the same result as mixing colors of light. TRUE or FALSE?
62. A LASER / SPECTRUM is a very intense beam of light.
63. A laser of MANY / A FEW watts is strong enough to burn a pencil!
64. The color of an object is the color it ABSORBS / REFLECTS.
65. Our sky appears blue because the atmosphere ABSORBS / SCATTERS more blue light than any other color.
66. T or F: White light is composed of all three primary colors of light.
67. T or F: A prism is used to put all colors of light back together.
68. T or F: Each color of the rainbow can be broken up into other colors using a prism.
69. T or F: An orange looks orange because the chemicals in its skin absorb orange light.
70. T or F: Much of the light that a black cloth absorbs is changed to heat.
71. T or F: The light from a laser must be reflected before we can see it.
72. T or F: Different colors of light from the sun have different wave lengths.
73. A yellow-fleshed banana such as karat absorbs all colors except ____________.
74. What color(s) is (are) being reflected by a blade of grass? ____________.
75. Bill Nye quotes: "Inertia is a property of matter." Can light have inertia? Why or why not?
    
    
76. When we see things, what we are really seeing is:
    a. The light being absorbed by things
    b. The light being refracted by things
    c. The light being reflected from things
    d. None of these.
77. Which of the following is not a primary color of light?
    a. Red
    b. Yellow
    c. Green
    d. Blue
78. Which of the following statements describes why the sky is blue:
    a. Because blue light is scattered more by air molecules than red light.
    b. Because blue light can shine through air molecules more easily than red light.
    c. Because blue light is absorbed by air molecules more than red light.
    d. For none of the above reasons.
79. List the primary colors of light (additive colors):
80. List the secondary colors of light (additive colors):
81. List the primary colors of paint and pigments (subtractive colors):
82. List the secondary colors of paint and pigments and printers (subtractive colors):
83. ________ What color is #F00?
84. ________ What color is #FF0?
85. ________ Toughie: What color is #F80?
86. ________ What is the color angle for red?
87. ________ What color is produced by a color angle of 240°?
88. ________ What is the name of the color system that uses color words such as red, crimson, cyan, antiquewhite?
89. Define hue:
90. Define saturation:
91. Define luminosity:
92. Plot the data provided on the graph below and draw a line through the points.
    
    
93. ________________ Calculate the slope of the line.
94. A RipStik was swizzled ("wiggled") across 160 centimeters of poster paper in a time of two seconds. The sinusoidal swizzle wave can be seen in the diagram below.
    
    1. λ = _________ _________ Calculate the wavelength λ of one wave.
    2. a = _________ _________ Calculate the amplitude a.
    3. τ = _________ _________ Calculate the period τ.
    4. f = _________ _________ Calculate the RipStik swizzle wave frequency f.
    5. ѵ_wave = _________ _________ Use the wavelength λ and frequency f to calculate the velocity ѵ_wave of the RipStik swizzle wave.
    6. ѵ_board = _________ _________ Use the 160 centimeters traveled and the two seconds to travel that distance to calculate the velocity ѵ_board of the RipStik board.
    7. _________ Is ѵ_wave equal to ѵ_board?
    9. _________ How many wavelengths in all are there on the "paper" above?
95. A ball bounces 40 times in 10 seconds.
    
    1. τ = _________ _________What is the period of the bouncing ball?
    2. f = _________ _________ What is the frequency for the bouncing ball?
96. During laboratory nine, the speed of sound, a student is 136 meters from the female residence hall banging two boards together in synch with the echoes. The other students count 25 claps in ten seconds.
    1. τ = ________ _________ What is the period for the echo (the out-and-back time)?
    2. velocity ѵ = _________ _________ What is the experimental speed of sound?
    3. % error = _________ _________ Given that the actual speed of sound that day was 347 m/s, what is the percentage error?

distance d = velocity ѵ * time t
period τ = 1 ÷ (frequency f )
velocity ѵ = wavelength λ * frequency f

$\text{slope m}=\frac{(\mathrm{y2}-\mathrm{y1})}{(\mathrm{x2}-\mathrm{x1})}$
Volume V = length l × width w × height h
mass m = density ρ × Volume V
$\rho =\frac{m}{V}$
distance d = velocity ѵ × time t
$ѵ=\frac{\Delta d}{\Delta t}$
$a=\frac{\Delta ѵ}{\Delta t}$
ѵ = at
d = ½at²
d = ½gt²
where g is the acceleration of gravity.
g = 980 cm/s² (cgs)
g = 9.8 m/s² (mks)
Gravitational Potential Energy = mgh
Kinetic Energy = ½mѵ²
momentum = mѵ
period τ = 1 ÷ (frequency f )
velocity ѵ = wavelength λ * frequency f

Heat index

Heat risk for exercise