Which branch of physics deals with the study of force, energy, and motion?

acoustics

mechanics

optics

geophysics

A centrifugal pump discharges 300 gpm against a head of 55 ft when the speed is 1500 rpm. The diameter of the impeller is 15.5 in. and the brake horsepower is 6.0. (a) Determine the efficiency of the pump.

How to tell if a circuit is connected in. a series. or parallel?

Who was the first man to go into the orbit? a. alexander leonov b. deke slayton c. valentina tereshkova d. yuri gagarin

When a 70 kg man sits on the stool, by what percent does the length of the legs decrease? Assume, for simplicity, that the stool's legs are vertical and that each bears the same load.

What is the order of the tops of nuclear radiation from lowest to highest energy

Why do substances with free electrons make the best conductors.

Which of the following is evidence that groundwater causes erosion and deposition?

Which project involved the goal of orbiting a manned spacecraft around earth? A. Mercury B. Apollo C. Gemini D. Skylab

Which type of listening response includes the use of head nods, facial expressions, and short utterances such as "uh-huh" that signal your interest to the speaker?

During eccentric muscle contraction, the muscle