164fx ☈ Name:

14 July 2010

__________ To the nearest meter, a length of six floor tiles are how many meters?
__________ What is your mass in kilograms?
__________ What is your height in meters?
___________ If two marbles are rolled into a line of five marbles, how many marbles will roll out from the end of the line?
__________ Is the spectrum shown below discrete or continuous?
__________ Is the spectrum shown below produced by the sun or a gas discharge (spectrum) tube?
__________ Looking only at the diagram, determine the atomic number of the atom depicted.
__________ Looking at the diagram, what is the atomic mass for the atom?
__________ Looking at the diagram and the chart on the wall, what is the one or two letter chemical abbreviation for this element?
____________________ What is the full name for the element?
_________________________________ What precipitation process produces the typical rain on Pohnpei?
_________________________________ What precipitation process produces rain, lightning, and thunder?
_________________________________ What precipitation process produces rain as a result of wind rising up the windward slope of mountains?
__________℃ What is the temperature of the dry bulb thermometer?
__________℃ What is the temperature of the wet bulb thermometer?
__________℃ What is the wet bulb depression today?
__________% Determine the relative humidity today.
__________℃ Determine the heat index today.
____________________ Determine the risk level for exercise today.
____________________ In general, what color do acids tend to turn floral pigment fluids?
____________________ In general, what color do bases tend to turn floral pigment fluids?
__________ Is lime fruit juice an acid, base, or neutral?
__________ Is baking soda an acid, base, or neutral?
_________________________________ What is the name of the geologic process that creates the Kilauea volcano in Hawaii?
G_________________ R________________ What is the name of Einstein's theory that predicts the behavior and interaction of large, massive objects?
Q_________________ M________________ What is the name of the theory that predicts the behavior and interaction of small, subatomic particles?
V = ____________________ A 121.5 gram rectangular slab of soap is 9.00 centimeters long, 6.00 centimeters wide, and 3.00 centimeters high. What is the volume V of the rectangular slab of soap in cubic centimeters?
ρ = ____________________ A 121.5 gram rectangular slab of soap is 9.00 centimeters long, 6.00 centimeters wide, and 3.00 centimeters high. What is the density ρ of the rectangular slab of soap in grams per cubic centimeter?
ѵ = ____________________ A RipStik travels 800 centimeters in 3.2 seconds. What is the velocity ѵ of the RipStik?
F = ____________________ When all 67 kilograms of me falls off a RipStik, I accelerate towards the ground at 9.8 m/s² and then I hit the ground, exerting a force of 1400 Newtons on the ground. Calculate the counter-force F that the ground exerts on me.
a = ____________________ Shanalin is a 25.2 kilogram eight-year old RipStik rider. She can accelerate from a velocity ѵ of 0 m/s to 2.0 m/s in four seconds. What is Shanalin's acceleration?
F = ____________________ Given the above data, how much force did Shanalin have to exert to create that acceleration?
d = ____________________ Given the above data, how far did Shanalin travel on her RipStik during those four seconds?
k = ____________________ An elastic band stretches (displaces) a distance x of 5 cm when a 70 gram-force force F is applied. Calculate Hooke's constant k for the elastic.
x = ____________________ Presume that the elastic band in the above problem is Hookean, that is, it is a linear elastic material. What will be the displacement x when a 210 gram-force force F is applied?
____________________ A student walked north on a line of longitude starting at N 6° 54.467' and ending at N 6° 54.567'. The student measured a distance of 192 meters. Determine the number of meters per minute of latitude based on this data.
ΔT = ____________________ What is the change in temperature ΔT for best conductor of heat energy in the chart?
ѵ = ____________________ During ten seconds a clapper claps 25 times. The echo flight distance is measured as being 140 meters. Based on this data, what is the speed of sound ѵ?
A RipStik was ridden across a wet cloth towel soaked in water with blue food color. The RipStik was then swizzled across a large sheet of presentation paper as seen below.

λ = ____________________ Determine the wavelength λ of the RipStik swizzle wave.
a = ____________________ Determine the amplitude a of the RipStik swizzle wave.
ѵ = ____________________ The RipStik traveled 200 centimeters in 2 seconds. Calculate the linear velocity ѵ for the RipStik.
f = ____________________ For a RipStik, the linear velocity is equal to the swizzle wave velocity. Use the velocity above and the wavelength to calculate the swizzle wave frequency f.
i = ____________________ A Tanita Body Composition Analyzer uses a voltage of 9 Volts and consumes 0.7 Watts of power. What is the current i used by the Tanita?
R = ____________________ What is the resistance R in Ohms for the Tanita unit above?
Plot the data on the graph.
Draw a linear best fit line through the data points on the graph.
n = ____________________ Calculate the slope of the linear best fit line. The slope is the experimental index of refraction n for water.
Δ% = ____________________ The above material is reported to have a theoretic index of refraction of 1.33. What is the percentage error for the slope you calculated based against a theoretic value of 1.33?
Draw two open hands. Sketch the number of balls and their paths in the air as designated by 3 in site swap notation.
Draw two open hands. Sketch the number of balls and their paths in the air as designated by 51 in site swap notation.

image dist `i` (cm)	object dist `o` (cm)
0	0
6	8
12	16
18	24
24	32
30	40

Letters, variables, units, and equations

Letter	Variable or constant	Unit	Equations with variable
A		amperes (current)
a	acceleration		$a = \frac{Δ ѵ}{Δ t}$
BMI	body mass index		$BMI = \frac{m}{h ²}$
c	speed of light	centi- prefix: cm	`E` = `mc`²
d	distance		`d` = `ѵt`, `d` = 0.5`at`², `d` = 0.5`gt`²
Δ%	percent difference		$Δ % = \frac{(observed - predicted)}{predicted}$
F	force		$F = \frac{Δ p}{Δ t}$ , `F` = `ma`, `F` = −`kx`
f	frequency `f`		`f` = 1 ÷ `τ`
h	height, Planck constant
i	current, $\sqrt{- 1}$
g	acceleration of gravity	grams	`d` = 0.5`gt`²
GPE	gravitational potential energy		`GPE` = `mgh`
KE	kinetic energy		`KE` = 0.5`mѵ`²
k	Hooke's constant, y-coor. quadratic vertex		`F` = `kx`, $y = - (\frac{k}{r^{2}}) x^{2} + k$
l	length	liters (liquid volume)
λ	wavelength		`ѵ` = `λf`
m	mass	meters	`m` = `ρV`
Ω		Ohms (Resistance)	`V` = `iR`
P	Power		`P` = `iV`
p	momenturm		`p` = `mѵ`
ρ	density		`m` = `ρV`
R	Resistance		`V` = `iR`
s	arc length	seconds
T	temperature
t	time
τ	period		`τ` = 1 ÷ `f`
V	volume, voltage	Volts	`V` = `lwh`, `V` = `iR`
ѵ	velocity		$v = \frac{Δ d}{Δ t}$ , `ѵ` = `at`
W	work (energy)	Watts (power)
w	width		`V` = `lwh`

081 Relative humidity and precipitation

	Web bulb depression in °C: Dry bulb minus the wet bulb
Dry bulb T in °C	0.5	1.0	2.0	2.5	3.0	3.5	4.0
21	95%	90%	83%	79%	77%	72%	67%
24	96%	91%	84%	80%	78%	74%	69%
27	96%	91%	85%	81%	78%	75%	71%
28	96%	93%	85%	82%	78%	75%	72%
29	96%	93%	88%	84%	80%	76%	73%
30	96%	93%	86%	82%	79%	76%	73%
32	96%	93%	89%	85%	81%	78%	74%
35	96%	93%	89%	85%	82%	79%	75%
38	96%	93%	89%	86%	83%	80%	76%

Heat index as an effective temperature in °C given a dry bulb temp. and Rel. Hum.

Relative humidity	21	24	27	28	29	31	32	35
	Dry bulb temperature in °C
60%	21	24	28	29.5	32	35	38	46
70%	21	25	29	30.7	34	37	41	51
80%	22	26	30	32.1	36	40	45	58
90%	22	26	31	33.7	39	43	50
100%	22	27	33	35.6	42

Effective temperature and risk level

Effective temperature in °C:	Risk level
Less than 32 °C	Low risk
32 °C to 41 °C	Heat cramps or heat exhaustion likely
Above 41 °C	Heat stroke likely.

164fx ☈ Name:

Data

Letters, variables, units, and equations

081 Relative humidity and precipitation