28. Interatomic spacing of silicon (dimond lattice) is 2.35Å. Calculate the density (at, wt. = 28). Ans. 2326 kg/m.

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A: 1. Force = ma = m * 2.45 m/s2 Frictional force, F = μ * R = μ * mg   Equating, we get 2.45 * m = μ…

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A: There will be an extended-pulse echo produced.

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A: Given data:  Speed (v) = 236.42 m/s Required: Speed in km/hr

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A: I have use the concept of free charge that

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A: Given, Wavelength,λ=645 nm=6.45×10-7m Slit width,a=0.16 mm=1.6×10-4m Distance between screen and…

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A: Given:-  The elevated height  of the projectile is h = m  The initial speed of lunch is u = 60 m/s…

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Q: Pin Hole (0) 1m 0.3m 2m бт *not to scale

A: For blue line  Let vertical distance on wall is a  Now,  By symmetric triangle  a/(6+2) = 1/2  a = 4…

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A: Given data:  Distance (r) = 5.0 m Force (F) = 25 N Angle (θ) = 150° Required: The magnitude of the…

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Q: The direction of the magnetic force on the proton is A. To the right. B. To the left. C. Into the…

A: Given: Reference figure: The direction of the velocity of the proton is vertically upward. The…

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A: When someone is climbing he needs to do work against gravity. The work is defined as the dot product…

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Q: 2.5 kg stone falls from rest. What is its momentum after 4 seconds?

A: Given Initial velocity of stone is v0=0 Acceleration due to gravity is ay=9.80 m/s2 Time t= 4 s Mass…

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A: According to question we need to convert unit of given quantity.

Q: In a double-slit experiment using light of wavelength 486 nm, the slit spacing is 0.600 mm and the…

A: We need to tell the fringe width of the Young's double slit experiment.

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Q: 008 47. . A dropped rubber ball hits the floor with a speed of 8.0 m/s and rebounds to a height of…

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Q: Given the following vectors, calculate the cross product asked for: a=-21-33 5=61+43 a x =? O 10…

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