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What can be said about the electric field between two oppositely charged parallel plates?
Does the separation of the plates affect field intensity? How?
a 100w ultraviolet light source of wavelength 200nm illuminates a magnesium surface 5m away. a the photoelectric work
A turbulent boundary layer is studied in a zero pressure-gradient flow on a flat plate in a laboratory. Atmospheric air at 20-C flows over the plate at 10 m=s. How far from the leading edge can turbulence be expected.
A long thin rod lies along the x-axis. One end is at x=2.00 m and the other at x=3.00 m. Its linear mass density ? =0.400 x2+0.600, in kg/m. Calculate mass of the rod. Calculate the x-coordinate of the CM of the rod.
Determine what is the instantaneous power, at a time of 0.00550 seconds, dissipated by a 200 Ω resistor in a resonant AC circuit powered by a generator
An RLC series circuit has a 1.00 kΩ resistor, a 150 μH inductorand an 80.0 pF capacitor. What is the impedance at 120 Hz?
A UV laser emits light that has a wavelength 350nm. If 1.23*10^18 photons are emitted in 10ns, what is the power of laser?
What is the magnitude of the electric field at the centre ofa square of side 45.00 cm if one corner is occupied by a chargeQ1 = 20.00 uC and the other three corners areoccupied by three charges each of charge Q2=-20.00 uC.
A proton (mass m = 1.67 x 10-27 kg) is being accelerated along a straight line at 3.6 x 1015 m/s2 in a machine. If the proton has an initial speed of 2.4 x 107 m/s and travels 3.5 cm, what then is?
A rigid rod of mass m3 is povited at point A, and masses m1 and m2 are hanging from it, as shown. Point A L1 m3 L2 m1 m2 (a) What is the normal force acting on the pivot point? (b) What is the ratio of L1 to L2, where these are the distances from the..
A heat engine using a diatomic ideal gas goes through the following closed cycle: Isothermal compression until the volume is halved. What is the thermal efficiency of this heat engine
A rock is dropped from a sea cliff and the sound of it striking the ocean is heard 3.8 s later. If the speed of sound is 340 m/s, how high is the cliff? Give answer in meters.
A 2.50×106 ? resistor and a 2.00 ?F capacitor are connected in series with an ideal battery of 5.00 V. How much energy was provided by the battery
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