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A student in an undergraduate physics lab is studying Archimede\'s principle of bouyancy. The student is given a brass cylinder and using a triple beam balance finds the mass to be 2.72 kg. The density of this particular alloy of brass is 8.62 g/cm3. The student ties a massless string to one end of the cylinder and submerges it into a tank of water where there is an apparent reduction in the weight of the cylinder. With this information, calculate the volume of the cylinder and the tension in the string when it was submerged in the tank of water. The density of water is 1.00 g/cm3 and the acceleration due to gravity is g = 9.81 m/s2.
v=___________cm^3
t=____________N
A 4.20 kg model rocket is launched, expelling 57.0 g of burned fuel from its exhaust at a speed of 675 m/s. What is the velocity of the rocket after fuel has burned.
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a beam of polarized light strikes two polarizing sheets.The characteristic directions of the second is 90 degree with respect to incident light. Find angle betta for a transmitted beam intensity that is 0.10 times the incident beam intensity
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