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A: Resultant force at A can be calculated as, R=∑FxR=280-220+390R=450 N
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Q: Ex. 51: In a biprism experiment the fringes are observed in the focal plane of the eyepiece at a…
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Q: EXERCISE 1.1 Given the three points Po = (1, 1), P₁ = (2, 2.5), and P₂ = (3, 4), are they collinear?
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Q: A 6.22-kg piece of copper that is heated absorbs 728 kJ of energy. If the copper starts at 20.5° C,…
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Q: Ex. 56: In a biprism experiment interference bands are abserved at a distance of 1 m from the slit.…
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A: Given that:Mass, m=6.22 kg=6.22×103 kgE=728 kJ=728×103 JTi =20.5°CC=0.385 J/g°CWe know that:−E=mc∆T…
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Q: Ex. 25: The wavelength of beam of light in a glass is 4000 Å. What is its wavelength in air if R. I.…
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