# Review for PSC 111 Final - PowerPoint PPT Presentation

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Review for PSC 111 Final. 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 1.4x10 3 = 1400. Lab 2: Distance and Mass.

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Review for PSC 111 Final

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## Review for PSC 111 Final

### 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

### Lab 2: Distance and Mass

• Conversion from any units of mass, time or length into another

• Meters to cm

• Grams to kg

• Etc.

• Calculating percent error

• (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