The buoyant force acting on a 10-ton ship floating in the ocean is
A) less than 10 tons.
B) 10 tons.
C) more than 10 tons.
D) depends on density of sea water
Answer: B
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A gas-filled vertical cylinder, closed at the bottom end, is fitted at the top with a piston that can move freely. The mass of the piston is 10.0 kg, and the initial height of the piston above the bottom of the cylinder is 25 cm
A mass of 8.0 kg is placed on the piston. What is the resulting height of the piston, assuming that the temperature of the ideal gas is kept constant? A) 12 cm B) 13 cm C) 14 cm D) 15 cm E) 16 cm
The first successful measurement of the speed of light was made by
a. Rene Descartes. b. Armand Fizeau. c. Christian Huygens. d. Ole Roemer. e. James Maxwell.
Which of the following puzzles in the solar system cannot be explained by a giant impact event?
A) the backward rotation of Venus B) the extreme axis tilt of Uranus C) the large metallic core of Mercury D) the formation of the Moon E) the orbit of Triton in the opposite direction to Neptune's rotation
According to its rotation curve, the majority of our Galaxy's mass is ________
Fill in the blank(s) with correct word