An object is located 5.0 cm from a concave mirror. the focal length is 15.0 cm. what is the image distance? use the equation attached. a.3.8 cm b.-3.8 cm c.-7.5 cm d.7.5 cm

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?

The average atmospheric pressure on earth is approximated as a function of altitude by the relation patm = 101.325 (1 − 0.02256z)5.256, where patm is the atmospheric pressure in kpa, and z is the altitude in km with z = 0 at sea level. determine the approximate atmospheric pressures at atlanta (z = 306 m), denver (z = 1610 m), mexico city (z = 2309 m), and the top of mount everest (z = 8848 m).

Based on its type of chemical bond, which of the following has the highest boiling point? potassium chloride ethyl alcohol water ammonia