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Two narrow slits are illuminated by a laser with a wavelength of 503 nm. The interference pattern on a screen located x = 5.50 m away shows that the second-order bright fringe is located y = 9.30 cm away from the central bright fringe. Calculate the distance between the two slits.
The screen is now moved 2.1 m further away. What is the new distance between the central and the second-order bright fringe?
A crate with a mass of 171.5 kg is suspended from the end of a uniform boom with a mass of 80.3 kg. The upper end of the boom is supported by a cable attached to the wall and the lower end by a pivot (marked X) on the same wall. compute the tensio..
A glass window 0.35 cm thick measures 81 cm by 36 cm. How much heat flows through this window per minute if the inside and outside temperatures differ by 17° C
the triceps muscle in the back of the upper arm extends the forearm. this muscle in a professional boxer exerts a force
A radar device emits microwaves with a frequency of 1.86E+9 Hz. When the waves are reflected from a van moving directly away from the emitter, What is the speed of the van
A bird flies 25.0 m in the direction 55° east of south to its nest. What are the northward and westward components of the resultant displacement of the bird
Consider a 10.0 kilogram block of copper, specific heat = 387 J/kg*C. The initial temperature of the copper is 25*C, obtain the final temperature of the block
A motorist travels for 3.0h at 80.0 km/h and 4.0 h at 60.0km/h. What is her average speed for the trip
Scientists working in field of nanotechnology use either atop-down or bottom-up approach to construct tiny objects. Give andexampleof a visible structure that was made using the bottom-upapproach and one that was made using top-down approach.
The speed of the block at the bottom of the track is vA = 13.1 m/s, and block experiences an average frictional force of 7.00 N while sliding up the track.
Describe the displacement of the airplane when the radar was tracking it-RBA=RB-RA. What are the components of RBA.
735 g of salt is placed into 400 mL of water and stirred thoroughly. How much salt dissolves into the water
For the system shown , the block has a mass of 1.5 kg and the spring constant k=8.0 N/m. find the number of oscillations made by the block during the time interval required for the amplitude to fall to one-third of its initial value
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