HESI A2 Physics Quizlet

Question 1 of 5

In the mechanical power equation P = E / t, power is measured in ___________.

A. ohms B. Joules C. volts D. watts

Question 2 of 5

Which of the following statements is true about a refrigerator?

A. It operates on a Carnot cycle and removes heat from a cold reservoir at a lower temperature. B. It violates the first law of thermodynamics by creating cold. C. It increases the total entropy of the universe. D. It operates isothermally at both the hot and cold reservoirs.

Question 3 of 5

When a fluid flows past a solid object, a thin layer of fluid adheres to the object's surface due to:

A. Buoyancy B. Bernoulli's principle C. Boundary layer effect D. Surface tension minimization

Question 4 of 5

When a small object floats on the surface of a liquid, the surface tension creates a:

A. Buoyant force acting upwards B. Pressure difference causing sinking C. Drag force opposing motion D. Restoring force towards equilibrium

Question 5 of 5

As the frequency of a sound wave increases, what else is true?

A. Its wavelength decreases. B. Its wavelength increases. C. Its amplitude decreases. D. Its amplitude increases.

HESI A2 Physics Quizlet

Skildor

HESI A2

HESI A2