Physical Science
Physical Science
11th Edition
ISBN: 9780077862626
Author: Bill Tillery, Stephanie J. Slater, Timothy F. Slater
Publisher: McGraw-Hill Education
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Chapter 13, Problem 6PEB

If the half-life of cesium–137 is 30 years, approximately how much time will be

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Problem 31.66 3 of 3 Review Introduction Consider current I passing through a resistor of radius r , length L , and resistance R . Part A Determine the electric field at the surface of the resistor. Assume that the electric field is uniform throughout, including at the surface. Express your answer in terms of some, all, or none of the variables I , R , L , r . E = Part B Determine the magnetic field at the surface of the resistor. Assume that the electric field is uniform throughout, including at the surface. Express your answer in terms of some, all, or none of the variables I, R, L, r, and the constants π, μ0.   Part C Determine the strength of the Poynting vector at the surface of the resistor. Express your answer in terms of some, all, or none of the variables I, R, L, r, and the appropriate constants.   Part D  Determine the flux of the Poynting vector (i.e., the integral of S⃗ ⋅dA⃗ ) over the surface of the resistor. Express your answer in terms of some, all, or none of the…
Steel train rails are laid in 15.0-m-long segments placed end to end. The rails are laid on a winter day when their temperature is -1.0 °C. Part A How much space must be left between adjacent rails if they are just to touch on a summer day when their temperature is 34.0°C? Express your answer to two significant figures and include the appropriate units. ◎ Α D= 0.0072 Submit m Previous Answers Request Answer ? × Incorrect; Try Again; 5 attempts remaining Part B If the rails are originally laid in contact, what is the stress in them on a summer day when their temperature is 34.0°C? Express your answer using two significant figures. Enter positive value if the stress is tensile and negative value if the stress is compressive. ΜΕ ΑΣΦ ? || GA Submit Request Answer Provide Feedback Pa Next >
Constants A glass flask whose volume is 1000.00 cm³ at 0.0°C is completely filled with mercury at this temperature. When flask and mercury are warmed to 54.5 °C, 8.75 cm³ of mercury overflow. Part A If the coefficient of volume expansion of mercury is 18.0 × 10-5 K-1, compute the coefficient of volume expansion of the glass. ΕΠΙ ΑΣΦ ? ẞglass II = (C°)-1

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Half life | Radioactivity | Physics | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=IDkNlU7zKYU;License: Standard YouTube License, CC-BY