Why is there a difference in air pressure at sea level as compared to mountain tops?

What is floatation?

A certain fluid (with properties listed below) is heated from 25 to 75 °C as it moves at 0.2 m/s through a straight thin-walled tube of 12.7-mm diameter. The tube is 10 m long and provides a uniform heat flux.

It takes a car five seconds to speed up from 20 m/s to 23 m/s. what is the acceleration of the car?

You have a circular loop carrying wire in a large uniform magnetic field because it's a current-carrying loop in a magnetic field, there will be a torque acting on it.

Why do some species survive while others go extinct?

Describe acceleration in relation to speed & velocity.

The outer planets are small, rocky planets with iron cores. True or False

A genetics tool that uses letters to represent dominant and recessive alleles

Which of the following correctly describe magnetic field lines? Check all that apply. A. They begin on north poles and end on south poles. B. They always cross. C. Field lines that are close together indicate a weaker magnetic field. D.

An athlete throws a ball straight upward with an initial speed of 12 meters per second. The ball reaches a maximum height and then falls back down toward the athlete.