Percent of Freshwater

What will be an ideal response?


.02%

Physics & Space Science

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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

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On average, the stars in elliptical galaxies are older than the stars in spiral galaxies

Indicate whether the statement is true or false

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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

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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

Physics & Space Science