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Review for PSC 111 FinalPowerPoint Presentation

Review for PSC 111 Final

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Lab 1: Math Review

- Concepts
- Significant figures
- 0.0061: 2 significant figures
- 0.00610: 3 significant figures
- 610: 2 significant figures
- 610.0: 4 significant figures

- Scientific notation
- 1.4x10-3 = 0.0014
- 1.4x103 = 1400

- Significant figures

Lab 2: Distance and Mass Calculating percent error

- Conversion from any units of mass, time or length into another
- Meters to cm
- Grams to kg
- Etc.

- (measured value – expected value)/expected value X 100

Lab 3: Density

- Use a vernier
- Calculate volume of definite shapes
- Cylinder:
- Cube: base3
- Sphere:
- rectangular prism: base X width X height

- Determine the density
- mass / volume

Lab 4: Acceleration Due to Gravity

- Calculate average velocities
- Calculate acceleration from velocities
- Calculate speed based on initial speed and acceleration
- Graph velocity vs time

Lab 5: Study of Sea Water

- Calculate percent of total dissolved solid (TDS) from mass of residue

Lab 6: Latent Heat of Fusion

- Determine the latent heat of fusion of ice by using conservation of energy
- Heat lost by of water Hw=mwcwDT
- Heat to raise temperature of water-ice Hwi=mwicwTf
- Heat to melt ice Hi=mihiT
- Hw=Hi+Hwi

Lab 7: Caloric Content of Nuts

- Determine the quantity of energy available in food
- energy from the burning of the food is used up to warm up water: Hw=mwcwDT
- Caloric content is measured in joules/gram
- energy / (mass of peanut-mass residue)

Lab 7: Harmonic Oscillator

- Plot the period of a harmonic oscillator based on the mass hanging from the spring

Lab 8: Pendulums

Graph period as a function of length

Determine the period of a pendulum based on a graph showing period as a function of length

Lab 9 and Lab 12: Electrical Circuit

- Circuits with light bulbs connected in parallel shine as much as if they were connected individually to the battery.
- Circuits with light bulbs connected in series will stop shining if one of them is unscrewed.
- A circuit with light bulbs connected in parallel will drain the battery faster (higher current) than with light bulbs connected in series.

Lab 10: Lenses

- The position where the image of an object will be formed depend on the focal length of the lens and the relative positions of the object and the lens
- The magnification of a telescope depends on the ratio of the focal length of the objective and of the eyepiece M=fo/fe

Lab 13: Spectroscopy

- Know how to calculate the RMS
- Know how to read the vernier of the spectroscope.

Lab 14: the Celestial Sphere

- Know how the position of the sun in the sky changes with the seasons
- Highest at noon in the summer
- Lowest at noon in the winter

- Understand how how RA and DEC are measured on the celestial sphere.
- RA: from 0h to 24h, equivalent to longitude
- DEC: from -90 through 0 to +90, equivalent to latitude

Lab 15: Revolution of the Moons of Jupiter

- Know how to calculate the mass of a planet based on the orbital period and distance of one of its satellite.
- M=a3/T2
- a needs to be in AUs and T in years

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