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Light from a helium-neon laser (λ = 632.8 nm) is incident on a single slit. What is the maximum width for which no diffraction minima are observed? (Hint: Values of sin θ > 1 are not possible.)
a spherical water drop 1.40 um in diameter is suspended in calm air owing to a downward-directed atmospheric electric
a 1.50-cm-diameter parallel-plate capacitor with a spacing of 0.400 is charged to 500.what is the total energy stored
while taking photographs in death valley on a day when the temperature is 57.0degc bill hiker finds that a certain
An archer shoots an arrow toward a 300 gram target that is sliding in her direction at a speed of 300 m/s on a smooth, slippery surface. Find what is the speed of the arrow after it passing through the target
A 250 N beam hangs from a cable. The beam moves at a constant velocity. What is the force on the cable
Calculate the number of cells in a hummingbird assuming the mass of an average cell is ten times the mass of a bacterium
A flashlight beam strikes the surface of a pane of glass (n =1.58) at a 70 degree angle to the normal. What is the angle of refraction
a a ball and bat approach one another each with the same speed of 2.70 ms collide. find the speed of the ball after the
A capacitor is connected across an ac generator whose frequency is 753 Hz and whose peak output voltage is 140 V. What is the magnitude of the maximum charge on one plate of the capacitor
A 13.5 micro F capacitor is connected to a power supply that keeps a constant potential difference of 26.0 V across the plates. By how much did the energy change during the insertion
A piece of iron isheated with a torch to a temperature of 6000 K. How much moreenergy does it emit as blackbody radiation at 6000K than it does atroom temperature, 300 K?
In heavy rush-hour traffic you drive in a straight line at 12 m/s for 1.5 minutes, then you have to stop for 3.5 minutes, and finally you drive at 15 m/s for another 2.5 minutes. compute the average velocity between t=0 and t=7.5 minutes.
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