The first graph shows data gathered by a student in SC 130 physical science.
__________ Calculate the slope of the line in graph one.
______________ Write out the units of measure for the slope of the line in graph one.
______________ Calculate the y-intercept of the line for graph one.
____________________________ Write out the equation of the line with the slope and y-intercept for the line in graph one.
Plot the data provided on graph two below and draw a line through the points.
________________ Calculate the slope of the line in graph two.
_________ _____ Graph one shows data gathered in the soap density laboratory. Calculate the density ρ of the soap in graph one.
______________ Based on the data in graph one, will the soap floatorsink
_________ _____ Graph two is based on speed of sound experimental data from laboratory nine. Based on the experimental data in table one and graph two, what is the experimental speed of sound?
______________ If the actual speed of sound was 349 meters per second, what is the percent error for experimental speed of sound measured by the data in table one and graph two?
__________ _____
The three identical vials in the image each have a volume of 14.0 cm³. The vial that sank has a mass of 15 g. Calculate the density of the vial that sank.
__________ _____ Given the above data, calculate the maximum (largest) possible mass in whole grams for one of the floating vials.
The graph depicts the time versus distance data for four different marbles.
Calculate the velocity of marble E between zero and one second.
__________ _____
Calculate the velocity of marble G between 3.5 and 5.0 seconds.
__________ _____
__________ _____ The velocity of marble E between 1.0 and 2.0 seconds is 40 cm/s. The velocity of marble E between 2.0 and 2.5 seconds is 60 cm/s. For the 1.5 seconds during which this change in velocity occurred, calculate the acceleration.
___________ If two marbles are rolled into a line of five marbles, how many marbles will roll out from the end of the line?
__________ If a block and tackle has three load lines, what is the estimated Mechanical Advantage?
__________ _____ If the crane with three load lineslifts a steel beam with a mass of 720 kg, how much force in kilogram-force (kgf) will the lift motor have to produce?
_________°C What is the temperature of a mix of melting ice and water in Celsius?
_________°C What is the temperature of melting solid coconut oil in Celsius?
_________°C What is the typical daily room temperature in Pohnpei in Celsius?
_________°C What is the temperature of the healthy living human body in Celsius?
_________°C What is the temperature of a boiling water in Celsius?
__________________ The chart depicts the change in temperature for the cup with water at room temperature in laboratory 062 heat conduction. Which material below conducts the most heat energy?
ΔT = ____________________ °C
Based on the chart above, what is the change in temperature ΔT for the metal which conducted the most heat energy?
_________ _____ The classroom is at E 158° 09.651'. Binky was at E 158° 09.451'. Use a value of 1840 meters per minute to calculate the distance from the classroom to Binky.
The tundra is cold, but not too cold for conifers (pine trees). There is another reason conifers do not grow in the tundra, what is that reason?
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?
_______°C What is the wet bulb temperature?
_______°C What is the wet bulb depression?
_______% Use a table to determine the relative humidity.
_______°C Use a table to determine the heat index (the perceived temperature).
______________ What is the risk level for exercise: low, moderate, or high?
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.
a = _________ _________ Determine the amplitude a of the RipStik swizzle wave.
τ = _________ _________ The RipStik took a duration of 1.23 seconds to travel the 66 centimeters seen on the diagram above. Determine the period τ for the RipStik swizzle wave.
f = _________ _________ Calculate the RipStik swizzle wave frequency f.
ѵ_{wave} = _________ _________ Use the wavelength λ and frequency f to calculate the velocity ѵ_{wave} of the RipStik swizzle wave.
_________ How many wavelengths in all are there on the "paper" above?
τ = _________ _________ A ball bounces 15 times in 5 seconds. What is the period of the bouncing ball?
f = _________ _________ A ball bounces 15 times in 5 seconds. What is the frequency for the bouncing ball?
Calculate the currents for the appliances in the following table:
Appliance
Power (W)
Voltage (V)
Current (A)
Aroma 4 cup rice cooker
300
120
Proctor Silex Toaster
780
120
Mr. Coffee 4 cup drip coffee brewer
650
120
Haier Microwave oven
1250
120
sum:
_________ _________ If all four appliances in the preceding table are turned on at the same time, what will be the total current in the circuit?
The above appliances are connected to a circuit with a 20 ampere circuit breaker. What will happen to the circuit breaker if all four appliances are turned on at the same time?
^{24}Neon is an unstable radioactive isotope of Neon with a half life of 203 seconds. Given the following information make a sketch including the number of proton, neutrons, and electrons for ^{24}Neon:
_______________________ A boy is looking into an empty box and sees the ridge behind him, with the sky below the ridge. As he said, "Hey, everything is upside down!" What is the box called?
_______________ Is a bar of hand soap an acid, base, or neutral?
_______________ Is bleach an acid, base, or neutral?
_______________ Is cream of tartar an acid, base, or neutral?
_______________ Is vinegar an acid, base, or neutral?
_______________ Is water an acid, base, or neutral?
_______________ Is a floral litmus solution ("flower tea") an acid, base, or neutral?
Hard core toughie: Name the five moons of Pluto:
What are the elements that are found in Saturn's atmosphere?
_________________________What is the name of Saturn's largest moon?
_________________________What is the name of Neptune's largest moon?
_________________________ Some potassium-40 decay processes produce positrons, the antimatter particle partner to an electron. What "Go local" item contains potassium-40 and thus antimatter?
Matching using the table:
A
Clarified Leibniz's original ideas about velocity and energy, analyzing experiments that showed kinetic energy is proportional to the square of the velocity.
B
Conceived of the mathematical equations that united the force of electricity and the force of magnetism.
C
Demonstrated that electric currents in wires generate magnetic fields and that magnetic fields generate currents in wires.
D
Realized that light always travels at a constant velocity no matter how fast an observer is traveling and thus time does not move at a constant rate. Light is constant. Time is variable.
E
Showed that mass is always conserved in all chemical reactions.
_____ Albert Einstein
_____ Antoine-Laurent Lavoisier
_____ Emilie du Châtelet
_____ James Clerk Maxwell
_____ Michael Faraday
There are four forces: the strong force, the weak force, the electromagnetic force, and the force of _____________________.
What characteristic of matter would be explained by the Higgs boson?
What is the name of the energy that comprises over 70% of the universe and which is causing the universe to expand at an accelerated rate?________ ___________
Weakly Interacting Massive Particles are theorized to be the 20% of the universe known as ________ ____________.
Mathematic and site swap equations:
_____ Is the site swap equation 334233 true? That is can the sequence be juggled?
_____ Is the site swap equation 515151 true? That is, can the sequence be juggled?
$\text{percent error}=\frac{(\text{experimental value}-\text{theoretically expected value})}{\left(\text{theoretically expected value}\right)}$ $\text{slope m}=\frac{(\mathrm{y2}-\mathrm{y1})}{(\mathrm{x2}-\mathrm{x1})}$
Volume V = length l × width w × height h $\rho =\frac{m}{V}$ mass m = (density ρ)*(Volume) $\u0475=\frac{\Delta d}{\Delta t}$ distance d = (velocity ѵ)*(t)
$a=\frac{\Delta \u0475}{\Delta t}$ velocity ѵ = (acceleration a)*(t) distance d = ½(acceleration a)*(time t)² distance d = ½(acceleration of gravity g)*(time t)² 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 momentum p = (mass m)*(velocity ѵ) gravitational potential energy = (mass m)*(acceleration of gravity g)*(height) Kinetic energy = ½(mass m)*(velocity ѵ)² $F=\frac{\Delta p}{\Delta t}$ Force F = (mass m)*(acceleration a) Force F = −kx
period τ = 1 ÷ (frequency f )
velocity ѵ = wavelength λ * frequency f period τ = 1 ÷ (frequency f) velocity ѵ = wavelength λ * frequency f Voltage V = current i * Resistance R Power P = current i * Voltage V
Relative humidity from dry bulb and wet bulb depression:
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
5.0
21
95%
90%
83%
79%
77%
72%
67%
60%
24
96%
91%
84%
80%
78%
74%
69%
62%
27
96%
91%
85%
81%
78%
75%
71%
65%
28
96%
93%
85%
82%
78%
75%
72%
65%
29
96%
93%
88%
84%
80%
76%
73%
66%
30
96%
93%
88%
84%
81%
76%
73%
67%
32
96%
93%
89%
85%
81%
78%
74%
68%
Heat index as an effective temperature in °C given a dry bulb temperature and Relativity Humidity:
Dry bulb temperature in °C
Relative humidity
21
24
27
28
29
30
31
32
35
60%
21
24
28
29.5
32
33
35
38
46
70%
21
25
29
30.7
34
35
37
41
51
80%
22
26
30
32.1
36
38
40
45
58
90%
22
26
31
33.7
39
41
43
50
64
100%
22
27
33
35.6
42
44
49
54
72
Risk level for exercise due to heat index:
Effective temperature in °C:
Risk level
Less than 32 °C
Low risk: Safe to exercise with proper hydration
32 °C to 41 °C
Moderate risk: Heat cramps or heat exhaustion likely