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A cube floats in water.The length of each side 8 cm. The cube is 3/4 submerged.
a) Find the volume of the water displaced.
b) Find the weight of the cube in air.
c) Find the mass density of block.
A 15.0 g bullet is fired at a muzzle velocity of 3250 m/s from a high powered rifle with a mass of 4.75 kg and barrel of lenght 75.0 cm. How long is the bullet in the barrel
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Two resistors have resistances R(smaller) and R(larger), where R(smaller)
Blood from two different patients is to be tested by having it glow through a long straight tube of length 10 cm and internal diameter 6 mm. A pressure drop of 50 dynes/cm2 is imposed from one end of the tube
If a cube of a certain metal increases its volume from 15 cm3 to 17 cm3 as the temperature increases from 12°C to 28°C
Recalling that an object smaller than the wavelength illuminating it cannot be "seen", what is the minimum kinetic energy of electrons needed in an electron microscope in order to "see" an atoms whose diameter is 0.1 nm, about the size of a silicon a..
The rechargeable batteries for a laptop computer need a much smaller voltage than what a wall socket provides. What is the current coming from the wall socket
A capacitor is connected across an ac generator whose frequency is 751 Hz and whose peak output voltage is 140 V. What is the magnitude of the maximum charge on one plate of the capacitor
Your friend's Frisbee has become stuck 19m above the ground in a tree. You want to dislodge the Frisbee by throwing a rock at it. If you release the rock 1.7m above the ground, with what minimum speed must you throw it
Calculate the speed of a proton after it accelerates from rest through a potential difference of 170V, Calculate the speed of an electron
a proton moving at a constant velocity of 106 ms enters a region of uniform magnetic field perpendicular to its
The classroom temperature is 20 C. The relative humidity is 60%. What is the total humidity (kg of H2O vapor) in the room
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