0 Mail - Enongene, Elvira (eenong x b My Questions | bartleby W Chapter 24 Homework - PHYS20 x 12 JustAnswer b Verify Email |bartleby x + A webassign.net/web/Student/Assignment-Responses/last?dep=24610718 9. DETAILS PREVIOUS ANSWERS OSCOLPHYS2016 24.4.P.032. MY NOTES Assume the helium-neon lasers commonly used in student physics laboratories have power outputs of 0.250 mw. (a) If such a laser beam is projected onto a circular spot 2.80 mm in diameter, what is its intensity (in watts per meter squared)? 0.09 x W/m? (b) Find the peak magnetic field strength (in teslas). (c) Find the peak electric field strength (in volts per meter). V/m Additional Materials O Reading MY NOTES 10. DETAILS OSCOLPHYS2016 24.4.P.042. Assume the mostly infrared radiation from a heat lamp acts like a continuous wave with wavelength 1.50 pm. (a) If the lamp's 205 w output is focused on a person's shoulder, over a circular area 27.5 cm in diameter, what is the intensity in W/m2? W/m2 (b) What is the peak electric field strength in kV/m? kV/m (c) Find the peak magnetic field strength in µT. UT (d) How long will it take in seconds to increase the temperature of the 3.75 kg shoulder by 2.00°C, assuming no other heat transfer and given its specific heat is 3.47 x 10° 1/(kg - °C)? E IMG 2430.jpg O Ask me anything

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