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Light from a helium-neon laser (633nm) illuminates a circular aperture. It's noted that the diameter of the central maximum on a screen 50 centimeter behind the aperture matches the diameter of the geometric image.
Determine what is the aperture's diameter?
You drop a stone down a well that's 9.5m deep. How long until you hear the splash? Assume the speed of sound in air is 343m/s
ssm A parallel plate capacitor has a capacitance of6.0 µF when filled with a dielectric.The area of each plate is 1.0m2 and the separation between the plates is 3.00*10-5 m. What is the dielectric constant of the dielectric?
What is the highest possible temperature of the spoon when you finally take it out of the cup?
A wooden raft has a mass of 92kg. When empty it floats in water (density 1000 kg/m3) with 48 percent of its volume submerged. What mass of sand can be put on the raft without it sinking.
q1. a wave on a slinky has a frequency of 1.69 hz. it takes 4.1 s to travel the length of the slinky 0.29 m. what is
An infinitely long charged wire produces an electric field of magnitude 1.17 103 N/C at a distance of 46.4 cm perpendicular to the wire. The direction of the electric field is toward the wire. (a) What is the charge distribution? (b) How many electro..
A 5.39 centimeter diameter sphere with a mass of 55.6 gram is neutrally buoyant in a liquid. Determine what is the liquid density
Station KAIM in Hawaii broadcasts on the AM dial at 870 kHz, with a maximum power of 50000 W. At maximum power, how many photons does the transmitting antenna emit each second?
Analyze Trial Balance and indicate possible adjusting entries that might be necessary before an accurate set of financial statements could be prepared.
An iron wire with a diameter of 1.2 mm has a uniform electric field of 0.35 V/m imposed along its entire length. What is the current density in the wire
a skier of mass m is standing on a slope with an angle of elevation ø. After being given a tiny nudge, the skier slides down the slope, how much energy is lost while the skier slides down the incline
A drop of water on a countertop reflects light from a flower held 3.10 centimeter directly above it. Find what is the focal length of the water drop
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