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A 10 kilogram block of metal measuring 12cm by 10 cm by 10 cm is suspended from a scale and immersed in water. The 12 cm dimension is vertical and the top of the block is 5cm below the surface of the water .
What are the magnitudes of the forces acting on the top of the block due to the surrounding water .
What is the reading of the spring scale ?
Show the boyant force equals the difference between the forces at the top and bottom of the block.
a block of wood has specific gravity 0.79. When placed in water, what percent of the volume of the wood is under the surface. And what volume of the wood is above the surface
A large capacitance of 1.20 mF is needed for a certain application. Calculate the volume of Teflon alone in the capacitor
We have some air in a cylinder like that in the figure. Assume that air is an ideal diatomic gas. The diameter of the cylinder is 5.4 cm. Find the amount of hear that was put into air
If a circular wire loop of radius 10 were held in this magnetic field, what current would be induced in the loop
A stone is dropped into a river from a bridge 41.9 m above the water. What is the initial speed of the second stone
A transparent cylinder of radius R = 2.00 m has a mirrored surface on its right half, Determine the index of refraction of the material
A charge of ?3.00nC is placed at the origin of an xy-coordinate system, find the x and y components of the total force and Find the direction of this force
A parallel-plate capacitor is formed of two 10 cm x10 cm plates spaced 1.0 cm apart, What is the slowest speed the electron can have if it is to reach the negative plate
A freight company uses a compressed spring to shoot 1.7 kg packages up a 1m high frictionless ramp into a truck. The spring constant is 241 N/m and the spring is compressed 33 cm.
Find the current in a 11.00 ? resistor connected to a battery that has an internal resistance of 0.25 ? if the voltage across the battery (the terminal voltage) is 24.00 V
A 0.24 meter stick balances at its center. If a necklace is suspended from one end of the stick, the balance point moves 8 toward that end. Is the mass of necklace more than, less than, or the same as that of the meter stick.
A point charge with charge q1 = 2.80?C is held stationary at the origin, How much work W is done by the electrostatic force on the moving point charge
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