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A cube of material 10cm on a side is submerged in a tank ofwater It has a density of 3.0x103 kg/m3.
What is the weight of the cube before it is submerged?What will the buoyant force be on the cube after it submerged?What is the weight of the cube after it is submerged?Would the weight of the cube be greater or less if the fluid wasgasoline instead of water? Explain why in terms of Archimedes’ principle
A uniform electric field exists in the region between two oppositely charged parallel plates 1.67cm apart, Find the speed of the proton at the moment it strikes the negatively charged plate
which you analyze late adulthood and the death of an individual as a culmination of the life span developmental
You are given a sample of metal and asked to determine its specific heat. You weigh the sample and find that its weight is 25.5 N. What is the sample's specific heat
A 9.0 cm-diameter disk emits light uniformly from its surface. 20 cm from this disk, along its axis, is an 7.0 cm-diameter opaque black disk; the faces of the two disks are parallel. 20 cm beyond the black disk is a white viewing screen. The light..
A wheel of radius 0.6 m starts from rest and accelerates without slipping with an angular acceleration of 2.0 rad/sec2 for 10 s. How far does the wheel travel in this time
The magnetic field in a region of space is specified by its x, y, and z components which are respectively Bx = 0.138 T, By = 0.166 T, find the magnitude and direction of the force acting on the wire
A particle of mass 7.25 kg moves from rest at t = 0 under the influence of a single force of magnitude 42.5 N. Calculate the power delivered by the force
An airplane traveling at half the speed of sound emits a sound of frequency 5.31 kHz. (a) At what frequency does a stationary listener hear the sound as the plane approaches? (b) At what frequency does a stationary listener hear the sound after the p..
Consider a piece of nichrome wire which is attached to a 1.2-mm-diameter aluminum wire, as diagrammed in the figure below. What diameter should the nichrome wire in the figure below be in order for the electric field strength to be the same in..
A 10.5-cm-long solenoid contains 855 turns and carries a current of 4.59 A. What is the strength of the magnetic field at the center of this solenoid?
Beat frequencies can be used to measure the pitch of an unknown sound even if it normally would be outside the audible range. estimate the operating frequency of brand X
A Football is kicked at 45degrees and travels 82m before hittingthe ground. What is its initial velocity? How long is it in the air?
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