1. The graph is volume V₁ in centimeters³ versus mass m₁ in grams.
   
   1. __________ _____ Determine the density ρ of the soap based on the data and graph.
   2. ______________ Will the soap float or sink?
   3. ______________ Is this soap likely to be [Jergens/Ivory] OR [Dial] soap?
   4. __________ _____ Calculate the mass of a bar of the soap that has a volume of 80 cm³.
   5. __________ _____ Calculate the volume of a bar of the soap that has a mass of 78.75 grams.
2. For the RipStik time in minutes versus distance in meters data:.
   
   
   
   1. Use the data to plot the line on the graph. Note that the data is linear.
   2. __________ __________ Calculate the velocity of the RipStik.
3. For the Desmos graph and regression, determine the acceleration of gravity from a Thursday laboratory. Times are in seconds, distances in meters. Data is the median time for all drops by all groups, both 8:00 and 11:00 sections.
   
   1. __________ __________ What is the experimentally measured acceleration of gravity?
   2. __________ __________ What is the raw error with respect to the published value of 9.8 m/s²?
   3. ________________ What is the percent error?
   4. ______________________ How good is the agreement of the experimental value to the published value?
4. Write out Newton's first law of motion.
5. Write out Newton's second law of motion.
6. Write out Newton's third law of motion.
7. A RipStik was ridden at an initial velocity v across a starting line at distance d = 0 centimeters up a slope. The RipStik decelerated, came to brief rest, and then accelerated back down the slope passing the starting line at 14.5 seconds as shown on the graph. Use the information in the Desmos graph and regression analysis to determine the acceleration a and initial velocity v of the RipStik. Times are in seconds, distances in meters.
   
   1. acceleration a₂: __ __________ __________
   2. initial velocity v₀: __________ __________
   3. __________ __________ After a time t₂ of eleven seconds, what will be the distance d₂ of the RipStik?
   4. __ __________ __________ After a time t₂ of twenty seconds, what will be the distance d₂ of the RipStik?
8. 
   Explain the conservation of momentum as demonstrated in experiments with marbles during the fourth week.
9. When running down Kaselehlie street cars will sometimes pull out of side streets and driveways directly in front of me. Which of Newton's laws causes me to collide with the car?
   
   Why?
10. A United 737-800 has two CFM International CFM56-7B27 engines each producing 121,400 Newtons of thrust (force). The mass of a 737-800 is 41,413 kilograms. Which of Newton's laws would be used to calculate the acceleration of the plane?
11. __________ _________Use the values for the 737-800 given above to calculate the acceleration of a 737-800.
12. ____________________ which variable had the most effect on the force of friction?
13. Do hot objects cool off linearily and, if not, how do hot objects cool?
14. Matching
    
    A -12 ℃
    B 0 ℃
    C 7 ℃
    D 28 ℃
    E 37 ℃
    F 48 ℃
    G 100 ℃
    • ____ air temperature/room temperature Pohnpei during daytime
    • ____ asphalt road
    • ____ boiling water
    • ____ freezing water
    • ____ human body core temperature
    • ____ lower refrigerator section of a refrigerator
    • ____ upper freezer section of a refrigerator
15. On Wednesday you started the search for Lee Ling at the south faculty office, E 158° 09.612'.
    1. _________ _____ Lee Ling was at E 158° 09.378'. Calculate the difference in arcminutes between the south faculty office and Lee Ling.
    2. _________ _____Use the difference in arc minutes from part a) and the experimental value of 1847 meters per arcminute of longitude here on Pohnpei to calculate the distance in meters you had to walk to get to Lee Ling's location.
16. ___________________ If you were to travel straight East from Pohnpei to the prime meridian, what COUNTRY would you be in when you reached the prime meridian?
17. ___________________ Which way is the equator from here on campus, towards Kitti or towards Kolonia?
18. In laboratory one on a graph of volume versus mass for soap, what physical quantity did the slope represent?
19. In laboratory two on a graph of time versus distance for a rolling ball, what physical quantity did the slope represent?
20. In laboratory three on a graph of time versus distance for a falling ball, what physical quantity was calculated from a quadratically increasing slope?
21. In laboratory four the number of marbles in versus marbles out from a collision provided support for what law in physical science?
22. In laboratory five on a graph of weight versus force to pull an object across sandpaper, what physical quantity did the slope represent?
23. In laboratory six a graph of time versus temperature for a cooling cup hot water, provided support for what law in physical science?
24. In laboratory seven on a graph of arcminutes versus meters as measured by GPS receivers and a surveyor's wheel, what physical quantity did the slope represent?

$\text{slope}=\frac{(y_2-y_1)}{(x_2-x_1)}$
mass m = density ρ × Volume V
$\text{density}\rho =\frac{\text{mass}m}{\text{Volume}V}$

distance d = velocity ѵ × time t

$ѵ=\frac{\Delta d}{\Delta t}$
$\mathrm{acceleration}=\frac{\Delta ѵ}{\Delta t}$
ѵ = at
ѵ = gt
d = ½at²
d = ½gt²
where g is the acceleration of gravity
g = 9.8 m/s²

Gravitational Potential Energy GPE = mgh where the acceleration of gravity g = 9.8 m/s²
Kinetic Energy KE = ½mѵ²
momentum p = mass m × velocity ѵ