A 10 kg ball weighs 98 N in air and weighs 75 N when submerged in water. The buoyant force of the water on the ball is

A. 32 N.
B. 30 N.
C. 24 N.
D. 23 N.
E. 19 N.


D. 23 N.

Physics & Space Science

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What type of stars do the spiral arms contain?

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A 100-W resistance heater is connected to a 110-V dc source. What is the current through the heater?

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Characteristic x-rays are the result of

a. outer electron transitions. b. inner electron transitions. c. nuclear electron states. d. buckytubes.

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