전기를 전도하는 대부분의 액체는 , 및 의 솔루션입니다. most liquids that conduct electricity are solutions of , and

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?

The space between two 15-in.-long concentric cylinders is filled with glycerin (viscosity = 8.5 × 10-3 lb·s/ft2). the inner cylinder has a radius of 1 in. and the gap width between cylinders is 0.1 in. determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. the outer cylinder is fixed. assume the velocity distribution in the gap to be linear.