Water droplets tend to have a spherical, round shape. Explain this fact in terms of the polar nature of water molecules.

An electrical motor spins at a constant 2662.0 rpm. If the armature radius is 6.725 cm, what is the acceleration of the edge of the rotor? O 524,200 m/s O 29.30 m/s O292.7 m/s O 5226 m/s2

A ball has a momentum of 35 kg·m/s. If the mass of the ball is 5.0 kg, what is the speed of the ball?

If the tube were filled with helium instead of air, how would your results change

Suppose the gravitational acceleration on a certain planet is only 4.0 m/s2. A space explorer standing on this planet throws a ball straight upward with an initial velocity of 24 m/s. Assume that upward direction is positive.

The base si unit for electric is the

During which period did the first large herbivores and carnivores appear?

What is the reason behind the tail of a comet moving away from the Sun? A The gravity of Jupiter pulls it away from the Sun. The nucleus of the comet propels it away from the Sun. C. The radiation pressure and solar wind propels it away from the Sun.

Calculate the energy released as heat when 51.60 g Cu 2 O (s) undergo oxidation at constant pressure.

During summer vacation, Juan traveled a total distance of 400 miles. His trip took 8 hours. What was the average speed during his trip?

Where Pabs is absolute pressurePg, is gauge pressure, and Patm is atmospheric pressure. For example, if your tire gauge reads 34 lb/incz (pounds per square inch), then the absolute pressure is ...