A gold brick measuring 0.25 ft by 0.33 ft by 1 ft is submerged in water. The weight density of gold is 1,200 pounds per cubic foot and the weight density of water is 62.4 pounds per cubic foot. (a) What is the weight of the gold brick? (b) What is the buoyant force on the gold brick? (c) What is the net force on the gold brick?
(a) 99 lb, (b) 5 lb, (c) 94 lb
You might also like to view...
If M = 2.2 kg, what is the tension in the connecting string? The pulley and all surfaces are frictionless.
A. 6.4 N B. 5.9 N C. 5.4 N D. 6.9 N E. 8.3 N
In the figure, the coefficient of kinetic friction between the surface and the larger block is 0.20, and the coefficient of kinetic friction between the surface and the smaller block is 0.30. If F = 14 N and M = 1.0 kg, what is the magnitude of the acceleration of either block?
A. 2.0 m/s2 B. 1.3 m/s2 C. 1.5 m/s2 D. 1.8 m/s2 E. 3.5 m/s2
Which of the following discoveries would cause us to re-evaluate the nebular theory for forming planets?
A) A star has 20 planets. B) A star has zero planets. C) Of the star's five terrestrial planets, one has a large moon. D) Two of the star's planets are rotating in directions backwards compared to their orbital direction. E) A star's 5 terrestrial planets orbit in the opposite direction of its 3 jovian planets.
A Young's double-slit experiment is performed and then repeated after moving the screen to triple the previous distance from the slit. What happens to the angular separation (as measured from the slits) of the 4th order maxima?
A. there is no change B. it becomes one-third the original value C. it becomes four times the original value D. it triples E. it increases by a factor of 2.25