the mean free path of nitrogen molecules at 0.0°c and 1.0 atm is 8.0 10-6 cm. at this temperature and pressure there are 2.7 1019 molecules/cm3. what is the molecular diameter?

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter