A sound wave is determined to have a frequency of 1,000 Hz and a wavelength of 35 cm. What is the speed of this wave? If the sound wave in the previous question is measured in air, what is the temperature of the air?

how are the laws of superposition and cross-cutting relationships used to determine the related ages of rocks

A Newton is 1 kgm/s^2. Is this a fundamental unit or a derived unit?

List 3 indicators that a chemical reaction has occurred.

A circular space station has a diameter of 1,700 meter. The station rotates to simulate artificial gravity on the inside. What must the period be of the space station in order to simulate earths gravity?

1. A tennis ball is dropped from a second story window. It is in free fall, accelerating downward at a rate of 9.8 m/s2. At the exact same time, another person throws a tennis ball out the adjacent window with a horizontal velocity of 30 m/s.

In an experiment, all participants receive a treatment but those in the control group recieves a false treatments

When the volume increased, what happened to the density?

8. Chemical weathering occurs more rapidly in what kind of climates? A. Desertlike B. Cold with high snowfall amounts C. Cool and dry D. Warm with abundant rainfall

Recoil is noticeable if we throw a heavy ball while standing on a skateboard. If instead we go through the throwing motion but hold onto the ball, without friction effects our net recoil will be A) zero. B) the same as before.

If an electromagnet is used to pick up nails and other metal objects, what happens when the current is turned off?