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One afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which is 1.08 km. They start at the west side of the lake and head due south to begin with.
(a) What is the distance they travel?
(b) What is the magnitude of the couple's displacement?
(c) What is the direction (relative to due east) of the couple's displacement?
A scientist notices that an oil slick floating on water when viewed from above has many different rainbow colors reflecting off the surface. What is the minimum thickness t of the oil slick at that spot
A 30 g particle undergoes SHM with an amplitude of 2.0 mm and a maximum acceleration of magnitude 8.0 multiplied by 103 m/s2, determine the total mechanical energy of the oscillator
A solenoid 26 cm long has 2800 turns of wire and carries a current of 5.9 A. Find the magnetic field at the common center
A fluid with viscosity ? flows through a tube of radius R and length L. What must be the radius of the second tube
By what factor would its kinetic energy decrease if the car traveled half as fast
An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 33.3 m/s. Find the airplane\'s acceleration
A sign (mass 1700kg ) hangs from the end of a vertical steel girder with a cross-sectional area of 0.013m^2, What is the stress within the girder
What relationship did Galileo discover about a ball%u2019s acceleration, What acceleration occurs when the plane is vertical
State the amplitude of the electric field vector in micro volts per meter to three significant figures.
Two nonconservative forces are present: friction does -2.00 104 J of work on the car, and a chain mechanism does +3.00 104 J of work to help the car up a long climb. Illustrate what is the change in the car's kinetic energy, ΔKE = KEf - KE0, fro..
The planet Neptune has a satellite, Proteus, which travels in an orbit 1.180*10^8 m with a period of 1.12 days. Calculate the mass of Neptune from this information
A 31g ball rolls around a 46cm -diameter L-shaped track, shown in the figure, at 56rpm. Rolling friction can be neglected. find the magnitude of the net force of the track on the ball
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