What is the total energy transported per hour along a narrow cylindrical laser beam 1.80 mm in diameter, whose B-field has an rms strength of 1.10×10−101.10×10−10 T ?
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What is the total energy transported per hour along a narrow cylindrical laser beam 1.80 mm in diameter, whose B-field has an rms strength of 1.10×10−101.10×10−10 T ?
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- A (7.4020x10^-1)-m radius cylindrical region contains a uniform electric field that is parallel to the axis and is increasing at the rate (3.24x10^12) V/mxs. What is the magnitude of the magnetic field at a point (2.0320x10^-1) m from the axis? Express your result with three significant figures.A high-energy pulsed laser emits a 1.0ns Long pulse of an average power 2.2x10^11 W. The beam is nearly a cylinder 2.2x10^-3 m in radius. Determine the energy delivered in each pulse and the rms value of the electric fieldA high-energy pulsed laser emits a 1.1-ns-long pulse of average power 1.5×1011 W. The beam is nearly a cylinder 2.3x10-3 m in radius and it travels in free space. ▼ Determine the energy delivered in each pulse. Express your answer to two significant figures and include the appropriate units. AU = Submit Part B Erms = Submit Value Provide Feedback μA Determine the rms value of the electric field. Express your answer to two significant figures and include the appropriate units. Request Answer O ■ μA Value Units Request Answer ? Units ?
- A substance with a relative dielectric permittivity of E=3.80 but a magnetic permeability of μ-μo, the same as vacuum. What is the propagating speed of light in this medium? Assume that c = = 3.00 × 108 [m/s] is the vacuum-bound speed of light. C. 3.00 x 108 [m/s] A. 0.79 × 10³ [m/s] B. 1.54 × 10³ [m/s] D. 5.85 × 108 [m/s]A (2.78x10^0)-μF capacitor is connected to an EMF that is increasing uniformly with time at a rate of (1.965x10^2) V/s. What is the displacement current between the plates? Express the result in mA with three significant figures.The electric flux through a dielectric material at a time t is ¢E(t) = (8.76 × 10³V m/s*) · tª.. What is the dielectric constant k of the material if the displacement current has a magnitude 12.9 pA at a time t = 26.1 ms? O A. 2339 ОВ. 2.339 О С. 9360 O D. 9.360
- A (8.42x10^-1)-m radius cylindrical region contains a uniform electric field along the cylinder axis. It is increasing uniformly with time. What is the rate of change (magnitude) of the electric field required to obtain a total displacement current of (2.047x10^0) nA through a cross section of the region? Provide your answer in V/(m.s) with three significant figures.You've recently read about a chemical laser that generates a 20.0-cm-diameter, 30.0 MW laser beam. One day, after physics class, you start to wonder if you could use the radiation pressure from this laser beam to launch small payloads into orbit. To see if this might be feasible, you do a quick calculation of the acceleration of a 20.0-cm-diameter, 104 kg, perfectly absorbing block. What speed would such a block have if pushed horizontally 95.0 m along a frictionless track by such a laser? Express your answer with the appropriate units.A rocket zooms past the earth at v= 2.0 x 10 m/s. Scientists on the rocket have created the electric and magnetic fields shown in the figure.(Figure 1) Assume that B = 0.60 T and E= 6.0x105 V/m. Figure B E 2.0 x 10 m/s 1 of 1 What is the electric field strength measured by an earthbound scientist? Express your answer using two significant figures. 5 ΑΣΦ E = Submit Part B X Incorrect; Try Again; One attempt remaining Check your signs. O Up -6.105 What is the direction of the electric field measured by an earthbound scientis Down Submit Part C O Left O Right O Into the page O Out of the page Previous Answers Request Answer B = 0.60 T Submit ? Request Answer What is the magnetic field strength measured by an earthbound scientist? Express your answer using two significant figures. Correct Previous Answers V/m
- An electron has an initial velocity of (10.0j + 14.5k) km/s and a constant acceleration of (1.70×1012 m/s2)i in a region in which uniform electric and magnetic fields are present. If B =(400μT)i, find the electric field E. Ex? Ey? Ez?An electric field with initial magnitude 130 V/m directed into the page and increasing at a rate of 13.0 V/(m · s) is confined to the area of radius R = 15.0 cm in the figure below. If r = 46.0 cm, what are the magnitude and direction of the magnetic field at point A?A mass spectrometer is used to separate uranium ions of mass 3.92 *10-25 kg and charge 3.20 * 10-19 C from related species.The ions are accelerated through a potential difference of 100 kV and then pass into a uniform magnetic field, where they are bent in a path of radius 1.00 m. After traveling through 180° and passing through a slit of width 1.00 mm and height 1.00 cm, they are collected in a cup. (a) What is the magnitude of the (perpendicular) magnetic field in the separator? If the machine is used to separate out 100 mg of material per hour, calculate (b) the current of the desired ions in the machine and (c) the thermal energy produced in the cup in 1.00 h.