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A NASCAR racecar rounds one end of the Martinsville Speedway. This end of the track is a turn with radius approximately 187 ft. If we approximate the track to be completely flat and the racecar is traveling at a constant 74.00 mph around the turn, what is the racecar\'s centripetal (radial) acceleration?
A tungsten wire has a radius of 0.089 mm and is heated from 20.0 to 1362 oC, When 100 V is applied across the ends of the hot wire, a current of 1.8 A is produced
Two satellites are in circular orbits around a planet that has radius 9.00×10^6m. What is the orbital speed of the second satellite
As a bar magnet moves toward a 150-turn coil, the magnetic field (which is perpendicular to the plane of the coil) changes from 0.25 T to 0.53 T in 0.3 s. what is the magnitude of the induced current in the coil
suppose you have just discovered a new x-shy-ray binary which contains a b2 main sequence star orbiting an unseen
What type of car was involved in the hit and run
Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10^?2cm, Find its speed (vfinal) when it strikes the anode
A horizontal force of 142 N pushes a 11 kg block up a frictionless incline that makes an angle of 44° with the horizontal. find the normal force that the incline exerts on the block
a golf ball rolls up a hill toward a miniature golf hole. assume that the direction toward the hole is positive. if the
The ac generator in a series RCL circuit has an rms voltage of 81.3 V. What is the rms current in the circuit
A satellite with a mass of 750 kg is in orbit around the earth. It is initially located at the altitude (measured from the earth's surface) of 2.12 x 106 m. It is then moved into a new orbit, with an altitude of 4.25 x 10^6 m (again, measured from..
An air cyclone is used to separate solid particles having different masses. what is the centrifugal acceleration of the particles
A golf ball strikes a hard, smooth floor at an angle of 30 ° and, as the drawing shows, rebounds at the same angle. The mass of the ball is 0.047 kg, its speed is 45 m/s just before and after striking the floor. What is the magnitude of the impuls..
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