Assume the mostly infrared radiation from a heat lamp acts like a continuous wave with wavelength 1.50 µm.(a) If the lamp's 205 W output is focused on a person's shoulder, over a circular area 24.0 cm in diameter, what is theintensity in W/m²?W/m?(b) What is the peak electric field strength in kV/m?kV/m(c) Find the peak magnetic field strength in µT.(d) How long will it take in seconds to increase the temperature of the 3.80 kg shoulder by 2.00°C, assuming no otherheat transfer and given its specific heat is 3.47 × 103 J/(kg · °C)?

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Assume the mostly infrared radiation from a heat lamp acts like a continuous wave with wavelength 1.50 um. (a) If the lamp's 205 W output is focused on a person's shoulder, over a circular area 24.0 cm in diameter, what is the intensity in W/m?? |W/m² (b) What is the peak electric field strength in kV/m? ] KV/m (c) Find the peak magnetic field strength in pT. (d) How long will it take in seconds to increase the temperature of the 3.80 kg shoulder by 2.00°C, assuming no other heat transfer and given its specific heat is 3.47 x 10 3/(kg - °C)?

Assume the mostly infrared radiation from a heat lamp acts like a continuous wave with wavelength 1.50 um. (a) If the lamp's 205 W output is focused on a person's shoulder, over a circular area 24.0 cm in diameter, what is the intensity in W/m?? |W/m² (b) What is the peak electric field strength in kV/m? ] KV/m (c) Find the peak magnetic field strength in pT. (d) How long will it take in seconds to increase the temperature of the 3.80 kg shoulder by 2.00°C, assuming no other heat transfer and given its specific heat is 3.47 x 10 3/(kg - °C)?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

Assume the mostly infrared radiation from a heat lamp acts like a continuous wave with wavelength 1.50 µm.
(a) If the lamp's 205 W output is focused on a person's shoulder, over a circular area 24.0 cm in diameter, what is the
intensity in W/m²?
W/m?
(b) What is the peak electric field strength in kV/m?
kV/m
(c) Find the peak magnetic field strength in µT.
(d) How long will it take in seconds to increase the temperature of the 3.80 kg shoulder by 2.00°C, assuming no other
heat transfer and given its specific heat is 3.47 × 103 J/(kg · °C)?

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