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An airplane is flying in a horizontal circle with constant speed.
(a) Is the airplane moving in a harmonic oscillation?
(b) In this situation, what is performing a harmonic oscillation?
A speeding motorist traveling 100km/h passes a stationary police officer. The officer immediately begins pursuit at a constant acceleration of 12km/h/s (note the mixed units).
A proton is released from rest inside a region of constant, uniform electric field E1 pointing due North. 27.3 seconds after it is released, What is the ratio of the magnitude of E2 to the magnitude of E1
Two blocks rest on a horizontal frictionless surface. (top block weighs xkg, the bottom box weighs 10kg). what is the mass of the top box
A child ties a rock to a string and whirls it around in a horizontal circle. Find the period of its uniform circular motion
An object, of mass m = 3 kg, is released from a height h = 5 m of the top of a rough 45 incline, Determine the maximum height on the left incline that the object will reach before sliding back again to the right
A helium-filled weather balloon has a 0.90 m radius at liftoff where air pressure is 1.0 atm, What is the pressure at the airborne location
The magnetic flux that passes through one turn of a 10-turn coil of wire changes to 5.0 Wb from 6.0 Wb in a time of 0.086 s. The average induced current in the coil is 185A. What is the resistance of the wire
Solar cells generate a potential difference when exposed to sunlight. In an experiment, you wish to charge a rechargeable battery by connecting it in series to an array of solar cells. What is the area of the array of solar cells
A 0.21-kg ball on a stick is whirled on a vertical circle at a constant speed. When the ball is at the three o'clock position, the stick's tension is 18 N. Find the tension in the stick when the ball is at the twelve o'clock position
A Carnot engine operates between reservoirs at 550K and 300K, discarding 1500 J of heat in each cycle. determine the engine's efficiency
The femur is a bone in the leg whose minimum cross-sectional area is about 3.4 x 10-4 m2. Find the maximum stress that this bone can withstand
Two large, parallel, conducting plates are 21cm apart and have charges of equal magnitude and opposite sign on their facing surfaces. An electrostatic force of 4.1 x10-15 N acts on an electron placed anywhere between the two plates.
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