A 10 g sample of a radioactive element takes 16.21 mins to reduce into 6 g. Calculate the half-life and identify the element.
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Q: The Moon has radius RMoon = 1.7 x 106 m and has an angular width on the sky of 1/2° (8.7 x 10-3…
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A: Formula Used: Speed = Wavelength x Frequency
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A: Given := Period of rotation of mars = 24 hr 37 min
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A: Parts of PLC: PLC -programmable logic controller The basic structure of programmable logic…
Q: 3) Use the Weizsäcker formula to calculate the binding energy for 28Ni. -60
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Q: A heat engine operates in a Carnot cycle between 72.0°C and 345°C. It absorbs 20,400 J of energy per…
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A: We know-Energy, U=12CV2 Equation 01we know that Q=CVthen, U=12×C×V×V
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Q: A gasoline engine has a compression ratio of 4.00 and uses a gas for which y = 1.40. (a) What is the…
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Q: Problem At the end of Chapter 4 Problem 4.4 of your book, consider that the trunk with mass M…
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Q: 10. Determine the enthalpy of a 2 m³ substance with 10.75 kJ/kg internal energy at atmospheric…
A: Volume, V = 2 m3 Pressure, P = 1 atm = 1.013 ×105 Pa Internal Energy, E = 10.75 kJ/kg = 1.075×104…
Q: Practice Problem: The lowest temperature required to fuse deuterium and tritium to form helium is…
A: The thermonuclear (fusion) reaction.
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Q: 1. A FIVE CENTAVO COIN, OFTEN CALLED AS NICKEL, HAS A RADIUS OF 1.06 CM, THICKNESS OF 0.177CM AND…
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Q: 13) Calculate the luminosity in watts from the absolute magnitude for the given stars: (b) Sirius (M…
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Q: A car with a mass of 1308 kg slows down from 58 km/h to 24km/hr. Calculate the change in its kinetic…
A: We have given Mass of car m=1308kg Initial velocity u= 58 km/h u =…
Q: 4. The work function for potassium is 2.24 eV. If potassium metal is illuminated with light of…
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Q: 7. A wave has a frequency of 46 Hz and a wavelength of 1.7 m. What is the speed of this wave?
A: Frequency of wave f = 46 Hz Wavelength of wave λ = 1.7 m
Q: Tritium, the hydrogen isotope of mass 3, has a half-life of 12.3 y. What fraction of the tritium…
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Q: The ideal lens in an astronomical telescope focuses the image of a star at a distance of exactly 20…
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Q: Two measuring tapes, one made from aluminum and the other from steel, both record the same correct…
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Q: A copper wire 4 m. long has diameter of 1 mm, if a load of 10 kg. wt is attached at other end. What…
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Q: 7) Calculate the luminosity of a star that has a radius of 4.2Rsun and a temperature of 5Tsun
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Q: Which element of the power circuit functions as the brain?
A: As we know, the human brain has been estimated to contain 100 trillion synapses (approximately);…
Q: A copper wire 4 m long has diameter of 1 mm, if a load of 10 kg. wt is attached at other end. What…
A: We need to compute-(a) extension (l)=?(b) Lateral compression=?Given that-Length of wire (L)=4…
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