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Tamara Arendt was in the same plane crash as Mary Anne Sorensen (see the previous problem). Tamara was trained in mountaineering and wants to hike down the mountain to safety.
However, it will take her 27.0 d of climbing at 15.0 h per day with 9.0 h of rest per day to reach her destination.
Her food supply consists of 11.0 MJ of candy bars, 16.2 MJ of peanuts, and 8.30 MJ of soda. The only body tissue she is able to consume during the climb is body fat, which is 20.0% of her initial body weight.
When her body fat has been consumed she will die of exhaustion. If she weighs 59.0 kg at the time of the crash, is she better off waiting to be rescued with Mary Anne or climbing down the mountain?
A coin is placed near one edge of a book lying on a table, and that edge do the book is lifted until the coin now slips down the incline. Draw a free body diagram for the coin with all forces acting on it. Your free body diagram must include a force ..
A 15.0-m length of hose is wound around a reel, which is originally at rest. The moment of inertia of the reel is 0.440kg· m2, and its radius is 0.160 m. When turning, friction at the axle exerts a torque of magnitude 3.40 N· mon the reel.
(A mole of atoms is 6.02 × 1023 atoms. In atomic mass units (u), what is the average mass of atoms in the common Eastern mole?
Starting from rest, a 98-kg firefighter slides down a fire pole. How far did he slide down the pole
If the beam refracts at an angle of 23.5o from the normal, at what angle to the normal did it enter the second medium?
Kenny is dropped into a volcano. Stan and Kyle try to use a lift to save Kenny from rising lava. The efficiency of the motor is 0.4 and Kenny has a weight of 40kg. In order to save him, they must lift him 50 meters in 15 seconds. What is the faste..
A rubber ball (mass 0.27 kg) is dropped from a height of 1.8 m onto the floor. Just after bouncing from the floor, the ball has a speed of 3.8 m/s. What is the magnitude and direction of the impulse imparted by the floor to the ball?
Calculate the index of refraction for a piece of glass that is 3.5 cm thick if the ray inside the glassmakes an angle of 25.4 degree with respect to the normal
A block of mass m = 15.5 kg rests on an inclined plane with a coefficient of static friction of ?s = 0.13 between the block and the plane. What is the force of gravity along the plane
There is a 15-kg block of ice that is cooled to -100( degrees Celsius ) and is then added to 8.00 kg of water in a 10-kg copper calirometer at a temperature of 25(degrees celsius). (specific heat of: water is 4186 J/kg(C), copper is 387 J /kg(C), ..
What should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea's vertex is focused on the retina?
Write a conclusion that highlights the major points of interest in your project and ties together some of the most interesting points you have covered.
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