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An unknown piece of material with a mass of 5.1 kg and density of 1422 kg/m3 is suspended from a string and then completely immersed in a container of water. The density of water is 1000 kg/m3.
(a) Determine the volume of the piece of material.
(b) Determine the tension in the string after the metal is completely immersed in the container of water. Please Show Work
A circular loop of wire 0.2 m in diameter is placed with its normal at an angle of 30° to the direction of a uniform 0.14 T magnetic field. What emf appears in the loop
Suppose you do 457 J of work on 1.18 moles of ideal gas in a perfectly insulated container. By how much does the internal energy of this gas change.
A car traveling on a flat (unbanked) circular track accelerates uniformly from rest with a tangential acceleration of at. Determine the coefficient of static friction between the car and track from these data
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When a single person shouts at a football game, the sound intensity level at the center of the field is 59.9dB. When all the people shout together, the intensity level increases to 111dB.
What is the magnitude of the vertical component of its velocity as it strikes the ground.
A 12.0 kg box resting on the horizontal, frictionless surface is attached to a 5.00 kg weight by a thin, light wire that passes without slippage over the frictionless pulley. The pulley has the shape of the uniform solid disk of mass 2.10kg and diame..
A flea pulls on a puck with force 7 microN at an angle of 30?. Another flea pulls on the puck with force 2 microN at an angle of -60?.
A fireman 44 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of 22° above the horizontal. If the speed of stream as it leaves the hose is 40m/s, at what height will stream of water strike the buil..
A wire is bent to form a circle whose diameter is 10cm. Find the maximum torque that the magnetic field can exert on the wire
A spring has a force constant of 323 N/m and an unstretched length of 6 cm. One end is attached to a post that is free to rotate in the center of a smooth table, as shown in the top view below. The other end is attached to a 4-kg disk moving in un..
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