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Two starships, the Enterprise and the Constitution, are approaching each other head-on from a great distance. The separation between them is decreasing at a rate of 713.0 km/s. The Enterprise sends a laser signal toward the Constitution. If the Constitution observes a wavelength ? = 712.2 nm, what wavelength was emitted by the Enterprise? Express your answer with four significant digits.
A box weighing 77.0 N rests on a table. A rope tied to the box runs vertically upward over a pulley and a weight is hung from the other end. Determine the force that the table exert on the box if the weight hanging on the other side of the pulley ..
Two children stand on opposite sides of a merry-go-round of diameter 6.0 m, Calculate the magnitude of the Coriolis force acting on the moving ball due to the rotation of the merry-go-round
A transformer on a pole near a factory steps the voltage down from 3600 V (rms) to 120 V (rms). determine the power delivered to the primary
A car has its 0.45m long radio antenna oriented vertically upward and is traveling at highway speeds of 70 mph. Calculate the range of induced emf on the antenna
What could you expect the intrusion into the vechicle is, based on this information? Explain how you arrived at this intrusion.
If the maximum acceleration vehicle's brakes are capable of is -6.00 m/s2, what is the maximum reaction time of the motorist that will allow her or him to avoid hitting the deer.
What is the separation distance between speaker and listener
A sample contains 8.90×104 radioactive nuclei. In a time of 5 minutes, 1.90×103 of the nuclei decay. Evaluate the half life of the sample
q1. wire carries a stable current of 2.60 a. a straight section of the wire is 0.750 m long and lies along the x axis
A 0.45 kg object connected to a light spring with a force constant of 19.6 N/m oscillates on a frictionless horizontal surface. Determine the maximum speed of the object
A 4.9 kg particle and a 2.7 kg particle have a gravitational attraction with a magnitude of 2.6 ? 10-12 N. What is the gravitational potential energy of the two-particle system
An electric field of 120000 N/C points due west at a certain spot. What is the magnitude of force that acts on a charge of -7.8C at this spot.
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