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A mass spectrometer has a region in which there is an electric field of magnitude 500 N/C in the -x direction, and a magnetic field of magnitude 0.2 T in the -z direction. What velocity should a positively charged particle have so that it moves through this region in a straight line?
A 7.7 uf capacitor and a 1250 ohm resistor are connected in series to a generator operating at 50 Hz and producing an rms voltage of 208 V
Heat is added isothermally to 3.05 mol of a monatomic ideal gas. The temperature of the gas is 311 K. Find how much heat must be added to make the volume of the gas double
A sailboat runs before the wind with a consant speed of 4.2m/s in a direction 32 deress north of west. How far (a) west and (b) north has the sailboat traveled in 25 min?
A small galvanometer coil of resistance R = 20 ? and full-scale deflection at 1 mA is connected in series with a 4980 ? resistance to build an analog voltmeter
A 681 kg crate is lifted to the top of a building with an acceleration of 3.37 m/s2. Find the force exerted by the cable on the crate
A stone is suspended from the free end of a wire that is wrapped around the outer rim of a pulley, Find the mass of the stone
1040 carbon steel is a medium carbon steel. determine the applied stress at failure for a crack the length of 5 mm
A small statue has a height of 3.5 cm and is placed in front of a concave mirror. The image of the statue is inverted, 1.5 cm tall, and located 12 cm away from the mirror. Find the focal length of the mirror.
a large metal sheet of thickness l is placed between and parallel to the plates of the parallel-plate capacitor of the
The radius of the loop is 550km. R=550km. Determine the minimum height above the top of the loop from which the ball must be released in order to "just" pass through the top of the loop.
An object is placed 100 cm in front of a lens of focal length 20 cm. A second lens is placed 35 cm beyond the first, How far past the second lens is the final image formed
A solid piece of an unknown material wights 96.9 N in air and 59.6 N when submerged in water. The density of water is 1000 kg/m3, Determine the density of the material
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