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A doorway acts as a single slit for light that passes through it, but a doorway is much larger than the wavelength of visible light, so the diffraction angles are very small. Find the angle of the 14th diffraction minimum for a typical doorway if light from a blue laser pointer (? = 473 nm) were used.
1. Estimate the width of the doorway.
2. Find the angle of the 14th diffraction minimum. (Use your estimate
Physics: Find the shear stress on the rod and vertical deflection at the end of the rod, A horizontal aluminum rod 4.2 cm in diameter projects 7.6 cm from a wall. A 1400 kg object is suspended from the end of the rod
While on an elevator, Jaden's apparent weight is 550N, When he is on the ground, the scale reads 600N, What is Jaden's acceleration while on the elevator
Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10?2cm , mounted coaxially within a cylindrical anode with a radius of 0.5580cm, Find its speed vfinal when it strikes the anode
A step-down transformer is used for recharging the batteries of portable devices. find the power delivered to the CD player
A rectangular loop of side lengths 3 cm and 5 cm, What is the speed of the loop if the induced current is 1.5 mA
A projectile is fired at an angle of 45° with initial kinetic energy E0. At the top of its trajectory, What is the speed of the first fragment
When a single person shouts at a football game, the sound intensity level at the center of the field is 59.9dB. When all the people shout together, the intensity level increases to 111dB.
A rectangular loop of wire has dimensions 0.5m by 0.3m. The loop is pivoted at x axis and lies in the xy plane. A uniform magnetic field of magnitude 1.5 T is directed at an angle of 40° with respect to the y axis with field lines parallel to the ..
The nonconservative wind and lift forces take the balloon up, doing +9.70 104 J of work on the balloon in the process. Illustrate at what height above the surface of the earth does the balloon have a speed of 7.20 m/s?
If 40 g of hot water at 80°C is poured into a cavity in a very large block of ice at 0°C, what will be the final temperature of the water in the cavity? Explain how much ice must melt in order to cool the hot water down to this temperature?
approximately how far does it move while stopping? Express your answer to one significant figure and include the appropriate units.
Illustrate what is the general rule for recognizing property taxes as revenue? Explain how are property taxes accounted for differently in the governmental fund statements as opposed to the government wide statements?
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