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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?
The potential difference between two points in a wire 10 m apart is 12 V. When the current density is 4*10^7 A/m^2. find the resistivity of the material in the wire
A football player who weighs 85 kg is carrying the ball directly up field at a rate of 15 km/hr. What is the initial momentum of the offensive player
An AC generator is to have a maximum output of 318 V. Each coil has an area of 0.137 m2 and a resistance of 16.9 ?, How many turns of wire should the coil have to produce the desired emf
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an air column in a glass tube is open at one end and closed at the other by a movable piston. the air in the tube is
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Use the parallel-axis theorem to calculate the rotational inertia of a meter stick, with centre of mass inertia Icm = ML2/12 and mass M = 4 kg, about an axis perpendicular to the stick and located at the 20 cm mark.
Two identical small conducting spheres are separated by 0.60m. The spheres carry different amounts of charge and each sphere experiences an attractive electric force of 10.8N. The total charge on the two spheres is -24microC.
A wire with current I = 5 A flows at an angle of 30 degrees to the direction of a uniform magnetic field of 1 T. What is the magnitude of the force exerted on a 4 m length of wire
A 9.5-kg monkey is hanging by one arm from a branch and is swinging on a vertical circle. Find the magnitude of the tension in the monkey's arm
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