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There is a 10 N/C uniform electric field along the x-axis.
a) if the potential at the origin is -15 V, what is the potential at x=10m ?
b) where is the potential zero?
Two narrow slits 62um apart are illuminated with light of wavelength 480nm . What is an angle of the bright fringe in degrees.
A paddle wheel frictionally adds thermal engery to 5.0 moles of an ideal monatomic gas in a sealed insulated container. The paddle wheel is driven by a cord connected to a falling object as shown in the drawing. How far has the 2.0kg object fallen..
A 300-g mass at the end of an ideal spring vibrates up and down in such a way that it is 2.0 cm above the tabletop at its lowest point and 16 cm above at its highest point. find the speed and acceleration of the mass when it is 12 cm above the tabl..
The height of a helicopter above the ground is given by h = 3.15t3, How long after its release does the mailbag reach the ground
The fundamental frequency of a closed organ pipe is 264.9 Hz. What is the length of the open pipe
question1a 115kg mail bag hangs by a vertical rope 4.0 long. a postal worker then displaces bag to a position 2.2m
q1. an air puck of mass 0.026 kg is tied to a string and authorized to revolve in a circle of radius 1.5 m on a
A spherical steel shell with shell thickness 10 mm rolling down the ramp without slipping.assume that the density of aluminum.
A cylindrical container 2.00 tall contains mercury to a certain depth; the rest of the cylinder is filled with water. If the pressure at the bottom of cylinder is two atmospheres, what is the depth.
An electromagnetic wave with a frequency of 7.20×10^14Hz propagates with a speed of 2.30×10^8m/s in a certain piece of glass. Find the dielectric constant for glass at this frequency
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.
An archeologist has discovered an old artifact. Its carbon-14 content is found to be 41.7 % of that in a fresh sample of wood. Find the age of the sample
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