Percent of Freshwater
What will be an ideal response?
.02%
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The surface tension of soapy water is 0.0250 N/m. What is the height of the water in a capillary tube of diameter 2.00 mm?
A. 5.10 mm B. 4.77 mm C. 4.21 mm D. 3.98 mm E. 3.66 mm
On average, the stars in elliptical galaxies are older than the stars in spiral galaxies
Indicate whether the statement is true or false
The magnitude of the magnetic field that a long and extremely thin current-carrying wire produces at a distance of 3.0 µm from the center of the wire is 2.0 × 10-3 T. How much current is flowing through the wire? (?0 = 4? × 10-7 T ? m/
A) A) 30 mA B) 190 mA C) 19 mA D) 380 mA
A charge of 50 nC is uniformly distributed along the y axis from y = 3.0 m to y = 5.0 m. What is the magnitude of the electric field at the origin?
a. 18 N/C b. 50 N/C c. 30 N/C d. 15 N/C e. 90 N/C