Your temperature is 98.6°F. Assuming your skin is a perfect radiator (? = 1), determine the wavelength corresponding to the largest intensity (in ?m)

a. 8.0
b. 9.3
c. 3.0
d. 5.7
e. 29.4


b

Physics & Space Science

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Relativity predicts that everything in the universe is relative

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On a force vs. position graph, the area under curve is a representation of

A) force. B) position. C) kinetic energy. D) potential energy. E) work.

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Glycerin, with a viscosity of 1.50 Ns/m2, is flowing with an average speed of 1.20 m/s through a tube that has a radius of 5.00 mm and is 25.0 cm long. What is the drop in pressure?

A) 144 kPa B) 45.8 kPa C) 72.0 kPa D) 76.3 kPa E) 129 kPa

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Two parallel conductors each of 0.34 m length, separated by 6.4 × 10^?3 m and carrying 4.8 A in opposite directions, will experience what type and magnitude of mutual force? (magnetic permeability in empty space µ0 = 4? × 10^?7 T?m/A)

a. attractive, 2.1E–3 N b. repulsive, 2.1E–3 N c. attractive, 2.4E–4 N d. repulsive, 2.4E–4 N e. zero

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