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A contestant on "Survivor" is challenged to find buried treasure in a featureless desert. All the contestant knows is that she was driven away blindfolded from the treasure's location for 14with an average velocity vector having components 8.6 west and 5.2 north, then given a compass. She can run at a speed of 4.5.
a) In what direction should she head in order to retrieve the treasure?
b) For how long should she run in order to retrieve the treasure?
A horizontal pipe contains water at a pressure of 150 {rm kPa} flowing with a speed of 1.30 {rm m/s}. The pipe narrows to one-half its original diameter. What is the speed of the water.
A frictionless pulley has the shape of a uniform solid disk of mass 4.00 kg and radius 28.0cm. A 3.60 kg stone is attached to a very light wire that is wrapped around the rim of the pulley, and the stone is released from rest. As it falls down, the w..
A steel cable is to support an elevator whose total (loaded) mass is not to exceed 3100 kg. calculate the diameter of cable required
A series RCL circuit contains a 48.0-? resistor, a 2.70-?F capacitor, and a 3.75-mH inductor. When the frequency is 2590 Hz, what is the power factor of the circuit
A particle with a charge of ? 5.00nC is moving in a uniform magnetic field of B? =?( 1.23T )k^, Calculate the x component of the velocity of the particle
The vitreous humor, a transparent, gelatinous fluid that fills most of the eyeball, What are ranges of wavelength, frequency and speed of light
A thin-walled hollow sphere with a mass of 22 kg is rolling without slipping. Its translational speed is 1.6 m/s. Determine the total kinetic energy of the rolling sphere
air traffic controllers usually describe the position of an aircraft relative to the airport by altitude, What are the x, y, and z components (in meters) of hte position vector
Use the average value of the buoyant force to calculate an experimental value of the volume of all three objects in kg/m3
a red car and a green car move toward each other in adjacent lanes and parallel to an x axis. At time t = 0, the red car is at xr = 0 and the green car is at xg = 211 m.
A 246 kg wooden raft floats on a lake. When a 80kg man stands on the raft, it sinks 4cm deeper into the water. When he steps off, the raft vibrates for a while.
Two charges are fixed on the x axis: one with a charge of = 5.00 at = -1.00 and the other with a charge of = 3.00 at = 1.50 . Find the force exerted on a charge = -5.00 placed at the origin (x=0). What are the magnitudes of the three charges q, q1..
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