When describing image formation for plane mirrors, what is an important rule to remember about light rays?
A. The angle is smaller in the medium that has the higher index of
refraction
B. The angle is smaller in the medium that has the lower index of
refraction
C. The angle when it leaves is larger than the angle when it hits
D. The angle when it leaves is the same as the angle when it hits

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

Which statement correctly describes the relationship between frequency and wavelength?