Water is flowing placidly in a canal at a depth of 2 cm and a width of 2 m with a velocity of 0.4 m/s. It’s a nice sunny day in Arizona near Phoenix in the summertime. Is the flow laminar or turbulent?
(A) Laminar
(B) Turbulent
(C) It can alternate between being laminar and turbulent
(D) Insufficient information to decide
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A physicist claims that she has found a new particle with a mass 200,000 times the mass of the proton (1.67 × 10?27 kg) and a charge of 3.20 × 10?19 C. If she is correct, such a particle traveling in a circle in a uniform 5.00-T magnetic field at a velocity of 2 500 m/s will have a radius of
A. 0.261 m. B. 0.522 m. C. 1.04 m. D. 3.27 m. E. 3.13 × 1026 m.
An F-type star would have a larger habitable zone that does our Sun
Indicate whether the statement is true or false
If an electron is determined to be at x = 2.000 cm ± 0.0010 cm, what is the minimum uncertainty in the x component of its velocity? (melectron = 9.11 × 10-31 kg, h = 6.626 × 10-34 J ? s)
What will be an ideal response?
The number of cycles of a periodic process that occur per unit time is called
a. amplitude b. frequency c. period d. wavelength e. speed