Assignments for Friday, March 30, 2012

Hi everyone,

I'm still really sick with bronchitis. Here are your assignments for Friday, March 30th. Have a great weekend.

All physics classes (Periods 1, 3, 4, and 6)


Online Labs


http://www.physicslessons.com/iphysics.htm

Fluids & Heat


Lab 20 Density
three objects on bottom (blue triangle, red/black square, red oval) - calculate density for each
list which object(s) floated (try all of the objects)

Lab 23 Pressure in Liquids
raise and lower manometer (red box with tube) and record depth and hydrostatic pressure
do for all four liquids (water, ethanol, benzol, tetrochloromethane, and mecury)
write down your observations of differences or similarities of the pressures at different depths

Lab 24 Buoyant Force
lower the mass into the liquid and note the buoyant force as it is lowered into the liquid. Note how it changes until fully submerged.
change the preselected values of base area, height and densities (do at least 6 trials)
write down your observations of the different buoyant forces vs. the area, height and density

Each group turns in ONE paper for the entire group. Make sure all of your names are on it.