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You illuminate a slit of width 0.0667 mm with light of wavelength 721 nm and observe the resulting diffraction pattern on a screen that is situated 2.51 m from the slit. What is the width, in centimeters, of the pattern's central maximum?
_____cm
On a workday the average decibel level of a busy street is 72.0 dB, with 100 cars passing a given point every minute. If the number of cars is reduced to 50 every minute on a weekend, what is the decibel level of street.
On planet X, the absolute pressure at a depth of 2.30 m below the surface of a liquid nitrogen lake is 5.50×10^5 N/m^2. What is the atmospheric pressure on planet
If the sphere is enclosed in a room whose walls are kept at -5°C, what is the net flow rate of energy out of the sphere
A car is traveling at 85.1 km/h at this speed the car has a fuel efficiency of 14.5 km/L. What is the average flow rate of gasoline
At one instant a bicyclist is 49m due east of a park's flagpole, going due south with a speed of 14 m/s. Then 40s later, the cyclist is 49m due north of the flagpole, going due east with a speed of 14m/s. For the cyclist in this 40s interval, what..
Three 15-? resistors are connected in parallel. This arrangement is connected in series with a 10-? resistor. What is the effective resistance of the parallel portion of the circuit
an electric current of 1.00 A is flowing through a copper filament diameter 1.00 mm, calculate the average electron velocity v and the ?- factor, the positive and negative charge densities in the S' frame
A rotating wheel requires 6.00 s to rotate 30.0 revolutions. What is the constant angular acceleration (in rad/s) of the wheel
An ac voltage source is connected in series with a1.4-?F capacitor and a 690-? resistor. Using a digital ac voltmeter, the amplitude of the voltage source is measured to be 4.0?V rms, Determine the frequency of the ac voltage source
Suppose the mica is 1.5 thick (and therefore fills the space between the plates).The charges on the plates are equal and opposite and of magnitude 380.
The same voltage is applied between the plates of two different capacitors. When used with capacitor A, this voltage causes the capacitor to store 13, Determine qB
An ice-making machine operates in a Carnot cycle. It takes heat from water at 0.0°C and rejects heat to a room at 22.5°C, How much heat is discharged into the room
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