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A car is driven 215 kilometer west and then 85 kilometer southwest. Determine the displacement of the car from the point of origin (magnitude and direction)?
A 83.0-mH inductor and a 5.90-μF capacitor are connected inseries with a generator whose frequency is 449 Hz. The rms voltageacross the capacitor is 3.70 V. Determine the rms voltage across the inductor.
In a location where the speed of sound is 330 m/s, a 2000 Hz sound wave impinges on two slits 30cm apart. At what angle is the first maximum located
Given two vectors A? = 4.00 i^+ 7.80 j^ and B? = 5.60 i^? 2.00 j^ , find the scalar product of the two vectors A? and B?. Find the angle between these two vectors
Two ( and only two ) full spectral orders can be seen on either side of the central maximum when white light is sent during a diffraction grating. What is the maximum number of lines per cm for the grating?
A runner travels 2 km north, then 1 km west, then 1 km north, then 3 km east. The run took 45 minutes. What was the total path length of the run
A loop of 50 turns and 40cm^(2) rotates with angular velocity of 300 turns per minute normal to a magnetic field of 0.5 T
Two trains on separate tracks move toward each other. Train 1 has a speed of 129 km/h; train 2 a speed of 75.0 km/h. What is the frequency heard by the engineer on train 1
A window air conditioner unit absorbs 9.85 104 J of heat per minute from the room being cooled and in the same time period deposits 1.47 105 J of heat into the outside air. What is the energy efficiency rating of the unit
Light with a wavelength of 525 nm passes through a single slit that is 35 micro meters wide. On a screen that is 1.5 m away, how far is the second dark spot from the central bright spot
Two blocks with masses M1 and M2 are released from the top of twofrictionless inclined planes of the same height making 30 and 60degree angles with the horizontal direction, respectively. Which of the blocks is going faster
At a coal burning power plant a steam turbine is operated with a power output of 475 MW. Find at what rate is heat discarded to the environment by this power plant
A dentist's mirror is placed 3.1 cm from a tooth. The enlarged image is located 6.3 cm behind the mirror. How is the image oriented relative to the object
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