Two waves with an amplitude of 54 units and 64 units arrive at a point in a medium simultaneously. If the two waves are in phase with each other, what is the resultant amplitude of the wave?

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.

What is a good example of instantaneous speed