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The evaporation of sweat is an important mechanism for temperature control in some warm-blooded animals.
A.) What mass of water must evaporate from the skin of a 66.0 kg man to cool his body 1.30oC? The heat of vaporization of water at body temperature (37.0 oC) is 2.42x106J/kg. The specific heat capacity of a typical human body is 3480 J/(kg.K).
B.) What volume of water must the man drink to replenish the evaporated water? Compare this result with the volume of a soft-drink can, which is 355 cm3.
a train pulls away from a station with a constant acceleration of 0.43 ms2. a passenger arrives at a point on the
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Find out the magnitude of the truck's vertical component of displacement, answer in units of meters.
A layer of ice has formed on a shallow pond. The air just above theice is at -5.21 °C, the water-ice interface is at 0 °C, how thick is the ice
The Beretta Model 92S (the standard-issue U.S. army pistol) has a barrel 127 long. The bullets leave this barrel with a muzzle velocity of 334 .What is the acceleration of the bullet while it is in the barrel, assuming it to be constant?
The wave function y(x, t) for a certain standing wave on a string fixed at both ends is given by y(x, t) = 3.70 sin (0.220x) cos (270t), What is the speed of transverse waves on this string
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Your eye (diameter 2.5 cm) is able to focus the image of a tree on your retina. What is the size of the image of the tree on your retina
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