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This fine establishment features a 200- kg mechanical bucking bull that has a mechanism that makes it move vertically in simple harmonic motion. Whether the “bull” has a rider or not, it moves with the same amplitude 2.79 m and frequency 0.389 Hz. You decide to ride it by NOT holding on. To no one’s surprise you go flying out of the saddle. While waiting for your bruises and pride to heal, you decide to compute how fast upward you were moving when you left the saddle.
A charge of -2.85 µC is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass, which has a radius of 0.105 m. The charges on the circle are -3.8 µC at the position due north and +4.55 µC at the position du..
A tungsten wire has a radius of 0.070 mm and is heated from 20.0 to 1330 oC. The temperature coefficient of resistivity is ? = 4.5 x 10-3 (Co)-1, How long is the wire
In a hydraulic system, the larger piston to be used to lift a 1670kg car has a diameter of 24.2cm, If instead compressed air at 115 psi of pressure is used, what is the largest mass car (in kg) that the system can lift
A laser beam moves from the bottom of an aquarium towards the surface. The beam describes an angle of 48.75 degrees fromthe normal measured at the surface. (The laser is not in thetank, it's below the tank and the bottom of the tank is made ofglas..
A loudspeaker of mass 25.0 is suspended a distance of = 2.20 below the ceiling by two cables that make equal angles with the ceiling. What is the tension in each of the cables
That is the sound from the organ bounces back and forth off the church walls many times before the sound inentsity decays away completely. If the reverberation time is 10s and the church has the approximate shape
a thin uniformly chargde rod has a length l10cm and a linear charge density lambda 5x106 ecm. e is the change of an
A trapeze artist performs an aerial maneuver. While in a tucked position, what is her rotational speed
A barge is hauled along a straight-line section of canal by two horses harnessed to tow ropes and walking along the tow paths on either side of the canal. What is the net force on the barge
a ball of mass 0.203 kg has a velocity of 1.43 ms right a ball of mass 0.291 kg has a velocity of 0.396 ms left. they
A machine shop has 100 equally noisy machines that together produce an intensity level of 90 dB. how many machines must be turned off
An electron ismoving at a speed of 1.2 104 m/sin a circular path of radius of 1.9 cminside a solenoid. Find the strength of the magnetic field inside the solenoid
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