For a certain patient, the build-up of fatty tissue on the wall of an artery has decreased the arterial radius by 10%
By how much would the pressure provided by the heart have to be increased to maintain a constant volume of blood flow? Model the blood as an ideal incompressible fluid. A) 48%
B) 52%
C) 46%
D) 54%
B
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A very light cart holding a 100-N box is moved at constant velocity across a 10-m level surface. What is the net work done in the process?
a. zero b. 1/10 J c. 10 J d. 100 J e. 1 000 J
Pyroclastic Flow definition
What will be an ideal response?
For a system in simple harmonic motion, how would you determine the period?
a. The period equals the amount the time required to complete a cycle of motion? b. The period equals the amount of time to equilibrium c. The period equals the the amount of time it takes to reach maximum velocity
Of these properties of waves, which one is independent of the others?
A. amplitude B. speed C. frequency D. wavelength