If a beam of light enters one medium from another medium, what quantity does not change?

A - Direction

B - Speed

C - Wavelength

D - Frequency

You are climbing in the High Sierra where you suddenly find yourself at the edge of a fog-shrouded cliff. To find the height of this cliff, you drop a rock from the top and 8.

A type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together

Li and Raj are playing football. They take turns trying to run past each other with the football. Li weighs 125 pound and Raj weighs 175 pounds.

Based on what you have learned in previous chapters, which of the following measurements would we use to determine which galaxies are moving toward or away from the Milky Way? A. the total luminosity of the galaxy B.

If cells are placed in a hypertonic solution containing a solute to which the membrane is impermeable what could happena) cells would shrink then later reach equilibriumb) cell swell and ultimately burstc) cell show no changed) loose water and

Gizmo answer sled wars

3. What is the kinetic energy of a 1300 kg car moving at 26.3 m/s?

Kendall has empty graduated cylinder with markings and an identical graduated cylinder partway filled with water. She also has a balance and a marble. Which statement best describes what Kendall can do? A.

2. With regard to the pH scale, a solution with a pH A. higher than 7 is considered an acid. B. lower than 7 is considered basic. C. of 6 is considered neutral. D. close to 14 is considered a strong base.

If a car rolls gently off a vertical cliff, how long does it take to reach 90km/hr.