Two waves with amplitudes of 75 units and 74 units arrive at a point in a medium simultaneously. if the two waves are out of phase with each other, what is the resultant amplitude of the wave?
a. 74 units
b. 1 unit
c. 75 units
d. m149 units

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

Much of the information taught in earth-space science would not be available if it weren’t for our remote sensing abilities. explain two ways our remote sensing strategies contribute to our knowledge of these topics.

According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?