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Mary Anne Sorensen's airplane crashed on a mountain in the Yukon wilderness. Sorensen weighed 150. pounds at the time of the crash and 110. pounds when she was rescued 50.0 days later. Assuming that death occurs when 50.0% of her body weight is lost, estimate Sorensen's survival time, assuming
a. A constant weight-loss rate.
b. An exponential weight loss-time relation of the form w = woexp(-αt), where α is a constant and wo is her weight at the time of the crash.
A 60 kg explorer lands on Planet X, where the gravitational acceleration is 10.5 m/s2. The radius of the planet is 7.91 x 107 m. What is her weight on this planet in Newtons
Figure is a graph at t = 0 s of a 5.0 Hz wave traveling to the left. What is the phase constant of the wave?
an aluminum tray used for making ice cubes is filled with water and placed in a freezer at -19.8deg c. the emissivity
Soil compacted in laboratory had 13.5% OMC and corresponding bulk density of 1.65 gm/cc. The soil was left overnight due to which a 10% reduction in OMC was observed. The specific gravity of soil solids was found to be 2.46 . What is the percentag..
Later, discs 2 and 3 touch and charge is exchanged. How much charge is exchanged once the charges on each disc reach an equilibriumWhat is the initial magnitude of the acceleration imposed on the second disc? The charge on the first disc is 1.5 mC...
To determine the specific heat capacity of lead, you get 500g of lead shot to 100 degrees C and place it in an aluminum calorimeter of mass 250g, what is the specific heat of lead
An airplane maintains a speed of 645 km/h relative to the air it is flying through as it makes a trip to a city 745 km away to the north. What time interval is required for the trip if the plane flies through a headwind blowing at 32.1 km/h toward t..
100 m3 /min of a gas mixture containing 1 mol % water and 99 mol % air is cooled at constant pressure of 1 bar from 200 °C to 25 °C. 50 % of the water in the inlet stream is condensed during this process. Calculate the cooling duty of the process ..
If you have five capacitors with capacitances 1.2×10-6 F, 3.2×10-6 F, 5.9×10-6 F, and two 6.4×10-6 F in series, What is the equivalent capacitance of all five
A 2.00 kilogram cart is moving at a rate of 4.0 meters per second when a continual force of 16.0 newtons begins to act on the cart in the direction of motion. What is the speed of the cart after 7.0 seconds?
A 0.430-kg block is attached to a horizontal spring that is at its equilibrium lenght , and whose force constant is 20.0N/m. The block rests on a frictionless surface. A 0.0500-kg wad of putty is thrown horizontally at the block, hitting it with ..
A thick-walled copper pipe (inner radius a and outer radius b) is centered on the z-axis and carries a current density of magnitude J(r)=B*r. (The parameter B has units A/m^3). A wire runs parallel to the pipe a distance R=2*b away from the z-axis..
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