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Monochromatic light strikes a diffraction grating at normal incidence before illuminating a screen 2.10 meter away. If the first order maxima are separated by 1.53 meter on the screen, compute the distance between the two second-order maxima?
using planck's law, Evaluate the Stefan-Boltzmann constant and Evalute the constant in the wien displacement law
A sound wave from a siren has an intensity of 88.8 W/m2 at a certain point, What is the intensity level of the sound wave due to the ambulance
An 80.0-kg man jumps from a height of 2.50 m onto a platform mounted on springs, What is the man's speed at the instant he depresses the platform 0.120 m
A ladder of unknown length and mass of 29.00 kg rests on a rough floor, and leans against a rough wall. The coefficient of static friction between the ladder and both the floor and wall are 0.68.
A small object of mass 1.90×10−2 kg andcharge 3.2 μC hangs from the ceiling by a thread. Asecond small object, with a charge of 4.2 μC isplaced 1.1 m vertically below the first charge. Find theelectric field at the position of the upper charge due..
a hair dryer has a power rating of 12000w at 120v rms. assume that the hair dryer is the only resistance in the
A 2.20 kg bucket containing 10.0 kg of water is hanging from a vertical ideal spring of force constant120 N/m and oscillating up, What is the shortest period this system can have
The force stretching the D string on a certain guitar is 156 N. What is the speed of the waves on the string
A fun-loving 10.6 kg otter slides up a hill and then back down to the same place, how much mechanical energy did she lose on the hill
in a performance test each of two cars takes 9.3 s to accelerate from rest to 25 ms. car a has a mass of 1415 kg and
An object is undergoing simple harmonic motion with period 1.250 s, At t=0 the object is at x=0. How far is the object from the equilibrium position at time 0.480s
the plates of a spherical capacitor have radii 3.7 cm and 4 cm with a vacuum in between them.a. find the surface area
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