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You illuminate a slit of width 0.0583 mm with light of wavelength 711 nm and observe the resulting diffraction pattern on a screen that is situated 2.53 m from the slit. What is the width, in centimeters, of the pattern's central maximum?
The positive muon , an unstable particle, lives on average 2.20×10?6 (measured in its own frame of reference) before decaying. what average lifetime is measured in the laboratory
An air conditioner is used to keep the interior of a house at a temperature of 25C while the outside temperature is 34C, what is the mechanical power required to keep the house cool?
Air in a closed piston-cylinder device arranged to maintain a pressure of 400 kPa is heated from 27 ° C to 227 ° C. What is the final air volume
Light of wavelength 450 nm falls on the 0.48 mm wide slit and forms a diffraction pattern on a screen 1.1 m away.
Two large, non-conducting plates with the indicated area charge densities are suspended 3.67 cm apart, What volume of the air in region B (between the plates) stores an equal amount of energy
Blocks of 1.0, 2.0, and 3.0 kg are lined up on a frictionless table with a 12 N force applied to the leftmost block
You want to shoot a 19cm long arrow parallel to this axle and through the wheel without hitting any of spokes. Suppose that the arrow and the spokes are very thin.
A sample of a gas occupies 5.25 m^3 at an absolute pressure of 1.00atm & temp of 20 degrees C: calculate the pressure in the gas sample if the volume is held at 5.25 m^3 while the temp is lowered to negative 40 degrees C
What is the range of wavelengths for FM radio (88 MHz to 108 MHz) and AM radio (535 kHz to 1700 kHz)? (answer: for FM: 2.78m to 3.4m, for AM: 176m to 561m)
A bat hits a moving baseball. If the bat delivers a net eastward impulse of 0.8 N-s and the ball starts with an initial horizontal velocity of 5.0 m/s to the west, what is the mass of the ball
Consider the 642 N weights held by two cables shown. The left-hand cable had tension T2 and makes an angle of thelta2 with ceiling. The right-hand cable had tension 460 N and makes an angle of 47 degrees with the ceiling.
Forensic scientists can measure the muzzle velocity of a gun by firing a bullet horizontally into a large hanging block that absorbs the bullet and swings upward. What was the original speed of this bullet
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