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The amount of heat per second conducted from the blood capillaries beneath the skin to the surface is 240 J/s. The energyis transferred a distance of 2.0 x 10^-3 m through a body whosesurface area is 1.6 m^2. Assuming that the thermal conductivity is that of body fat (k = 0.20 J/(s·m·degrees C)),determine the temperature difference between the capillaries and the surface of the skin.a. 9.2 degrees Cb. 5.4 degrees Cc. 1.5 degrees Cd. 6.9 degrees Ce. 3.7 degrees C
A source of electromagnetic waves radiates power uniformly in all directions at a single frequency. At a distance of 5.00 km from the source, What is the average power radiated by the source
A 600g model rocket is on a cart that is rolling to the right at a speed of 3.0m/s. At what horizontal distance left of the loop should you launch
A dart is thrown horizontally with an initial speed of 12 m/s toward point P, the bull's-eye on a dart board. How far away from the dart board is the dart released
An electron confined in a one-dimensional box is observed, at different times, to have energies of 32.5 eV, 57.8 eV, What is the length of the box
A 16.0-m uniform ladder weighing 480 N rests against a frictionless wall. Find the horizontal and vertical forces the ground exerts on the base of the ladder when an 820-N firefighter has climbed 3.90 m along the ladder from the bottom
A 1.60-m-long string is under 22.0N of tension. A pulse travels the length of the string in 52.0ms. What is the mass of the string
a block of mass m 10 kg is pushed across a rough table with a force applied at an angle of 28o with respect to the
A 245 ball is tied to a string. It is pulled to an angle of 5.20 and released to swing as a pendulum. A student with a stopwatch finds that 10 oscillations take 10.5.
The two stick together and move off with a speed of 4.0 m/s. Evaluate what is the mass of the second car?
A roughly spherical volume of rock 2.1 km in radius is 30% denser than the surrounding rock, calculate the gravitational acceleration it produces at Earth's surface
point charges 2.0 nc and -5.0 nc are arranged on two vertices of an equilateral triangle. find the magnitude and sign
an object of mass 1.60 kg is oscillating freely on a vertical spring with a period of 0.710 s. another object of
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