psf2 074 ☈ Name:

  1. A student gathered the data seen in the table below.
    Graphical analysis

    Soap Data

    Volume (cm³)Mass (g)
    020
    2038
    4056
    6074
    8092
    100110
    background rectangle major grid lines axes text layers Density of Soap Volume (cm³) Mass (g) x-axis labels 0 10 20 30 40 50 60 70 80 90 100 y-axis labels 0 10 20 30 40 50 60 70 80 90 100 110 120
    1. Plot the soap data on the graph.
    2. __________ __________ Calculate the density of the soap. Include the units with your answer.
    3. Based on the slope, will the soap [float] OR [sink]?
    4. Based on the slope, is this likely to be [Ivory] OR [Dial] soap?
  2. Where does the Amazon jungle get the nutrient phosphorus from?
  3. How does the freezing of ocean water in Antartica contribute to driving global ocean currents?
  4. When a hurricane (typhoon) develops hot towers what does that indicate is going to happen to the storm?
  5. The graph shows the time versus distance data gathered for four different RipStik runs during laboratory 02.
    Rolling ball background rectangle major grid lines axes x-axis and y-axis linear regression line data points as rectangles A data points as diamonds C data points as circles B data points as triangles D text layers RipStik time versus distance plots for four runs Time (s) Distance (cm) y-axis labels 0 200 400 600 800 1000 1200 1400 1600 1800 2000 x-axis labels 0 1 2 3 4 5 6 7 8 9 10
    1. __________ _____ Determine the velocity ѵ of run A.
    2. __________ _____ Determine the velocity ѵ of run B.
    3. __________ _____ Determine the velocity ѵ of run C.
    4. __________ _____ Determine the velocity ѵ of run D.
  6. A RipStik was accelerated from rest (0 cm/s) to 250 cm/s in five seconds.
    1. _______________ _________ Based on the data, what was the acceleration of the RipStik?
    2. _______________ _________ If I continued that same acceleration for ten seconds, how far would I go in centimeters?
  7. Write Newton's first law of motion.
  8. Write Newton's second law of motion.
  9. Write Newton's third law of motion.
  10. The graph shows pulley data gathered by a student in physical science.
    1. Plot the data provided in the table on the graph below and draw a line through the points.
      Graphical analysis

      Pulleys

      Force(gmf)Load (gmf)
      00
      2070
      40140
      60210
      80280
      100350
      background rectangle major grid lines axes text layers Pulley data force (gmf) load (gmf) y-axis labels 0 40 80 120 160 200 240 280 320 360 400 x-axis labels 0 20 40 60 80 100
    2. ____________ Based on the data, what is the Actual Mechanical Advantage for the pulley system?
    3. ____________ The pulley system had four load lines. What is the Ideal Mechanical Advantage?
    4. ____________ Use the preceding two questions to calculate the efficiency of the pulley system.
    5. ______________ What was the likely cause of the efficiency being less than 100%?
  11. Temperatures in Celsius:
  12. Explain the difference between heat and temperature.
  13. Explain the meaning of the following types of heat movement:
  14. ______________ When walking straight East, which number would change on the GPS unit, the N 06° 54.566' or the E 158° 09.597' number?
  15. _________ _____ The classroom is at E 158° 09.651'. On Wednesday Binky was at E 158° 09.337'. Use a value of 1820 meters per minute to calculate the distance in meters from the classroom to Binky.
  16. ____________________ Plot the data in table two on the graph. Calculate the slope of the line.
    Graphical analysis

    Data

    Table two
    Distance (min)Distance (m)
    0.0000
    0.01530
    0.03060
    0.04590
    background rectangle major grid lines axes text layers minutes versus meters Distance (min) Distance (m) x-axis labels 0 0.010 0.020 0.030 0.040 0.050 y-axis labels 0 10 20 30 40 50 60 70 80 90 100

Body mass index= mass in kg height in meters2
slope= ( y2 y1 ) ( x2 x1 )
percent error= (experimental valueexpected value) (expected value)
Volume V = length l × width w × height h
mass m = density ρ × Volume V
ρ= m V
distance d = velocity ѵ × time t
velocityѵ= Δd Δt
accelerationa= Δѵ Δt
velocity ѵ = acceleration a × time t
d = ½at²
d = ½gt²
where g is the acceleration of gravity, g = 979 cm/s²
Gravitational Potential Energy GPE = mgh
acceleration of gravity g = 979 cm/s²
Kinetic Energy KE = ½mѵ²
momentum = mass m × velocity ѵ
Force F = mass m × acceleration a
efficiency= Actual Mechanical Advantage Ideal Mechanical Advantage