(7) A lank contains a slab of glass som thick and of seloa dive index .
16. Above this a depth of ºu.5cm of a liquid of one sua chive
index t. s and upon this floats 6cm of water (M= 413). To an
Observer looking down forom above, what is the apparent
position of a mark
a mark on the bottom of the tank?
> doin-​

Oxygen and nutrients are moved through the body by the: a. circulatory system c. lymphatic system b. digestive system d. reproductive system

Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton

A980-kg sports car collides into the rear end of a 2300-kg suv stopped at a red light. the bumpers lock, the brakes are locked, and the two cars skid forward 2.6m before stopping.the police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80, calculates the speed of the sports car at impact. what was that speed?