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While driving at a constant speed of 66 km/h, you are passed with a car traveling at120 km/h. The frequency of light emitted with the taillights of the passing car is 4.3 multiplied by 1014 Hz. Discover the change infrequency of this light when it reaches you, the observer.
In a hydraulic system with a large and a small piston, you wish to lift a 1130 kg car sitting on the large piston that has a diameter of 28.2 cm, What is the diameter of the small piston
a. a 0.2-kg block rests over a vertical spring confined to a barrel. it compresses the spring from its original length
a bucket of water of mass 14.7 is suspended by a rope wrapped around a windlass, that is a solid cylinder with diameter 0.280m with mass 11.6 kg. with what speed does the bucket strike the water
Two electric dipoles with charges ±Q, where Q=5.0 ?C, are arranged parallel to each other. What is the strength of the electric force between the two dipoles
A car drives straight off the edge of a cliff that is58 m high. How fast was the car traveling when it went over the cliff
A rubber ball is shot straight up from the ground with speed V0. Simultaneously, a second rubber ball at height h directly above the first ball is dropped from rest
A 1.50 cm diameter parallel-plate capacitor with a spacing of 0.900 mm is charged to 300 V. What is the total energy stored in the electric field
Now a peg is placed 4/5 of the way down pendulum's path so that when the mass falls to its vertical position it hits and wraps around the peg. As it wraps around the peg and attains its maximum height it ends a distance of 3/5 L below its starting po..
Calculate the moment of the inertia of the stick with respect to an axis perpendicular to it and going through its center of mass
a magnetic field has a magnitude of 1.20 x 10-3 t and an electric field has a magnitude of 5.20 103 nc. both fields
suppose that you need to get a heavy couch into the bed of a pickup truck. part a figure you know the bed of the truck
A river narrows at a rapids from a width of 15m to a width of only 6.0m. The depth of the river before the rapids is 2.7m ; the depth in the rapids is 0.70m. Find the speed of water flowing in the rapids
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