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Light from a laser beam with a wavelength of 530 nm passes through a narrow single slit and observed on a screen 1.0 m behind the slit. The first minimum of the diffraction pattern is 0.84 m from the central maximum. How wide is the slit?
A) 824 nm
B) 791 nm
C) 757 nm
D) 723 nm
E) 689 nm
An Atwood's machine consists of blocks of masses M1=10 kg and M2=20 kg attached by a cord running over a pulley. The pulleys is a solid cylinder with mass M=8 kg and radius r=.2 m. The block of mass M2 is allowed to drop, and the cord turns the pu..
The surface area of the eardrum is about 8 x 10^-5 m^2. What is the power transmitted to the eardrum by a soundwave of 40 dB if no sound is reflected
A meteor streaking through the night sky is located with radar, its has moved to point B, Find the x component of its average velocity between A and B
An object is acted on by a drag force with a magnitude that is proportional to the speed. The object accelerates downward at 3.00 m/s2 when it is falling with a speed 20.0 m/s. What is the terminal speed of the object as it is falling.
A pipeline of 0.2m in diameter is flowing with water and ends in a constricted pipe of 0.1m diameter. find the velocity and the flow rate in the constricted section
If the pressure on a fish increases from 1.20 to 1.30 atm, its swim bladder decreases a volume from 8.19 mL to 7.56 mL, How much work is done on the air in the bladder
A 20.0-kg mass is supported by two strings. The left string is 2.00 m long and the right string is 5.00 m long. What is the tension in the left side string
A flywheel having constant angular acceleration requires 4.60 to rotate through 170 . Its angular velocity at the end of this time is 104. Find the angular velocity at the beginning of the 4.60 interval; the angular acceleration of the flywheel.
x-rays are scattered from a target at an angle of 48.5deg with the direction of the incident beam. find the wavelength
A balloon contains 10 lbs of Helium at a temperature of 70 ?F. If the volume of the balloon is 300 ft3, what is the pressure of the balloon
the 1400 turn coil in a dc motor has an area per turn of 1.1 multiplied by 10-2 m2. the design for the motor specifies
In a mass spectrometer, a singly charged ion having a particular velocity is selected by using a magnetic field of 0.1 T perpendicular to an electric field of 8.00 102 V/m. What is the mass of the ion
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