What determines the direction of surface winds in the mid-latitudes?

Why is igneous rock always younger than any rock it cuts through?

Explain how momentum is transferred when a golfer hits a ball with a golf club.

Light travels approximately 982,080,000 ft/s, and one year has approximately 32,000,000 seconds. A light year is the distance light travels in one year. State the speed in ft/s, using scientific notation.

A 200 g lead frying pan gains 2000 Joules of heat. What is the change in Temperature

The equation for the Doppler shift of a sound wave of speed v, reaching a moving detector, is where vd is the speed of the detector; vs is the speed of the source; f is the frequency of the source; f' is the frequency at the detector.

What is the speed of sound in a vacuum?

An object has 60 j of potential energy and 40 j of kinetic energy. then 10 j of the potential energy is converted into kinetic energy. how much work was done on the object?

At what height above earth's surface is the gravitational acceleration reduced from its sea-level value by 0.40%?

A rocket moves away from the surface of the earth. As the distance r from the center of the planet increases, what happens to the force of gravity on the rocket?

Why am i not floating?