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A diffraction grating has 12600 rulings uniformly spaced over width w=25.4 mm. it is illuminated at normal incidence by blue light of wavelength 450 nm. (Hint: refer your last lab)
a. At what angle to the central axis do the second-order maxima occur?
consider two identical 43 microcoulomb point charges placed 89 cm apart. let there be a 1 nc 1 nanocoulomb 1e-9
a jogger travels a route that has two parts. the first is a displacement of 2.80 km due south and the second involves a
A pot containing 1.06 liter of water, initially at 22°C, is placed on a 1091 W electric heating element. How much heat is necessary to boil all the water away
A proud deep-sea fisherman hangs a 66.6 kg fish from an ideal spring having negligible mass. The fish stretches the spring0.126m. What is the force constant of the spring? What is the period of the oscillation of the fish if it is pulled down 3.60cm ..
an astronaut in his space suit and with a propulsion unit empty of its gas propellant strapped to his back has a mass
Discuss the dependence of the number of propagating modes in a dielectric slab waveguide on the ratio of the thickness d of the dielectric slab to the wavelength l0.
The leg and the cast in Fig 4.20 below weigh 220 N (w1). Determine the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus the cast.
Next you eliminate the 11 kg mass, place the rod horizontally, and strike one end with a hammer. How much time t would elapse before a microphone at the other end of the bar will detect a disturbance.
An elevator cab in the New York Marriott Marquis has a mass of 4500 kg and can carry a maximum load of 1800 kg. what power is required of the force moving the cab to maintain that speed
A 83.0 kg fullback is running at 3.86 m/s to the east and is stopped in 0.760 s by a head-on tackle by a tackler running due west. Calculate the impulse exerted on the fullback.
Suppose this crystal consists of aluminum ions with an equilibrium spacing of 0.30 nm. What are the energies of the four lowest vibrational states of these ions?
Water flowing out of a horizontal pipe emerges through a nozzle. The radius of the pipe is 2.4 cm, and the radius of the nozzle is 0.56 cm. determine the absolute pressure of the water in the pipe
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