At what rate is the human body radiating energy when it is at 33°C? Take the body surface area to be 1.4 m2, and approximate the body as a black body
What will be an ideal response?
0.70 kW
You might also like to view...
Of the following list, the one that gives the smallest average ionizing radiation dose per person per year is
A) nuclear power plants in normal operation. B) cosmic rays. C) the rocks and soil of Earth. D) radon gas. E) medical X-rays.
A satellite is in a circular orbit about the Earth at an altitude at which air resistance is negligible. Which of the following statements is true?
a. There is only one force acting on the satellite. b. There are two forces acting on the satellite, and their resultant is zero. c. There are two forces acting on the satellite, and their resultant is not zero. d. There are three forces acting on the satellite. e. None of the preceding statements are correct.
On which planet does plate tectonics take place?
A. Venus B. Mars C. Mercury D. Earth
A uniform rod of length (L = 2.0 m) and mass (M = 1.5 kg) is pivoted about a horizontal frictionless pin through one end. The rod is released from rest at an angle of 30° below the horizontal. What is the angular speed of the rod when it passes through the vertical position? (The rotational inertia of the rod about the pin is 2.0 kg?m2.)
A. 3.5 rad/s B. 2.7 rad/s C. 3.1 rad/s D. 2.3 rad/s E. 1.6 rad/s