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A rock weighing 7043 N rock with a volume of 18 L iscompletely submerged in mercury. The density of mercury is 13.6 kg/L.
Determine the density of the rock.
kg/L
Determine the buoyant force on the rock.
N
A wooden block with equal sides of 4 cm is floating in water. If the density of the block is half the density of water, how far is it from the water to the top of the block?
A man does 4,335 J of work in the process of pushing his 2.80 103 kg truck from rest to a speed of v, over a distance of 27.5 m. determine the horizontal force exerted on the truck
An iron brick measuring 200 mm / 20 cm / 0.05 m is submerged in pure water. (Hint: Use Table 4.4 from your book to find the densities) a) What is the weight of the brick? b) What is the buoyant force on the brick? c) What is the net force on the bric..
a 60.0-kg woman balances on one heel of a pair of high-heeled shoes. if the heel is circular and has a radius of 1.00
How much voltage is produced by an inductor of value 25 ?H if the time rate of change of the current is 58 mA/s
An airplane is dropping bales of hay to cattle stranded in a blizzard on the Great Plains. The pilot releases the bales at 140m above the level ground when the plane is flying at 80.0m/s 45.0 degrees above the horizontal. How far in front of the catt..
The first controlled, sustained flight in a heavier-than-air craft was made by Orville Wright on December 17, 1903. The plane took off at the end of a rail that was 60 feet long, and landed 12 seconds later, 180 feet away from the beginning of the..
If the final angles are measured to have the values ?=10° and f= 8°, calculate the final speeds for the two pucks
suppose our experimenter repeats his experiment on a planet more massive than earth where the acceleration due to
An AC generator supplies an rms voltage of 240 V at 60.0 Hz. It is connected in series with a 0.450 H inductor, a 3.90 ?F capacitor and a 316 ? resistor. What is the peak voltage across the inductor
a circular conducting loop of radius 17.0 cm is located in a region of homogeneous magnetic field of magnitude 0.100 t
A thin disk of mass 4.9 kg and radius 23 cm is suspended by a horizontal axis perpendicular to the disk through its rim. Find the period of the subsequent simple harmonic motion
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