Homework Answers
22.24) Intensity=Power/Area
Power= Energy/time
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Problem 22.24 Part A How much energy...
field has an ims strength of 34.3 mV/m? The wave travels in free space. How much...
field has an ims strength of 34.3 mV/m? The wave travels in free space. How much energy is transported across a 1.30 cm area per hour by an EM wave whose Express your answer using three significant figures. AEO + O ? ΔΙ Submit Request Answer
4.1 The amplitude of the B field of an EM wave is 2.9×10−7T. The wave travels...
4.1 The amplitude of the B field of an EM wave is 2.9×10−7T. The wave travels in free space Part A What is the amplitude of the E field? Express your answer to two significant figures and include the appropriate units. Part B What is the average power per unit area of the EM wave? Express your answer to two significant figures and include the appropriate units.
In an EM wave traveling west, the B field oscillates up and down vertically and has...
In an EM wave traveling west, the B field oscillates up and down vertically and has a frequency of 95.0 kHz and an rms strength of 7.45 x 10 9 T. Assume that the wave travels in free space. What is the frequency of the electric field? Express your answer to three significant figures and include the appropriate units. UA ? f= Value Units Submit Request Answer Part B What is the rms strength of the electric field? Express your...
Review Part A Assume that a 7.0-cm-diameter, 130 W light bulb radiates all its energy as...
Review Part A Assume that a 7.0-cm-diameter, 130 W light bulb radiates all its energy as a single wavelength of visible light Estimate the electric field amplitude at the surface of the bulb Express your answer to two significant figures and include the appropriate units. B- 1 Value Units Submit Request Answer Part B Estimate the magnetic field amplitude at the surface of the bulb Express your answer to two significant figures and include the appropriate units. BValue Units Submit...
Problem 14.11 Part A How much energy is required to bring a 1.7-L pot of water...
Problem 14.11 Part A How much energy is required to bring a 1.7-L pot of water at 24 C to 100 C? The specific heat of water is 4186 J/kg-Co Express your answer to two significant figures and include the appropriate units. Q-Value Units Submit Request Answer ▼ Part B For how long could this amount of energy run a 60-W lightbulb? Express your answer to two significant figures and include the appropriate units. Submit Part A is supplied to...
PHY 2412 University Physic Week 8 (Chapter 31) Assignment Problem 31.12 Part A What is the...
PHY 2412 University Physic Week 8 (Chapter 31) Assignment Problem 31.12 Part A What is the magnetic field amplitude of an electromagnetic wave whose electric field amplitude is 15 V/m ? Express your answer to two significant figures and include the appropriate units. B: Value Units Submit Request Answer Provide Feedback O Type here to search Дні ен -
tem 8 Review ▼ Part A A-10 nC charge is located at (a, y) (1.0 em,...
tem 8 Review ▼ Part A A-10 nC charge is located at (a, y) (1.0 em, 0 cm) What is the a-component of the electric field at the position (at, y)-(4.4 cm,0 cm)? Express your answer to two significant figures and include the appropriate units. Ex- I Value Units Submit Request Answer Part B What is the y-component of the electric field at the position ()(4.4 cm.0 cm)? Express your answer to two significant figures and include the appropriate units...
Problem 12.50 Part A How much gravitational potential energy must a 3110-kg satollite acquire in order...
Problem 12.50 Part A How much gravitational potential energy must a 3110-kg satollite acquire in order to attain a geosynchronous orbit? Express your answer to three significant figures and include appropriate units. 1.78 10 J Submit Previous Answers Request Answer Incorrect; Try Again; 2 attempts remaining Part B How much kinetic energy must it gain? Note that because of the rotation of the Earth on its axis, the satelite had velocity of 457 m/s relative to the center of the...
CH 16 Traveling Waves Problem 16.38 Part A What is the sound intensity level for sound...
CH 16 Traveling Waves Problem 16.38 Part A What is the sound intensity level for sound wave of intensity 3.8x10-8 W/m2 Express your answer to two significant figures and include the appropriate units. - Value Unis Units Submit Request Answer Part B What is the sound intensity level for sound wave of intensity 3.8x10-2 W/m2 ? Express your answer to two significant figures and include the appropriate units. Value Units Submit Request Answer Provide Feedback
solve part A,B,C Constants Part A - Practice Problem: and has a In this example we...
solve part A,B,C
Constants Part A - Practice Problem: and has a In this example we will calculate the electric and magnetic fields of a carbon dioxide laser. The laser erits a sinusoidal electromagnetic wave that travels in vacuum in the direction. The wavelength is 10.6 um, and the field is along the axis, with a maximum magnitude of 1.5 MV/m. Find the equations for the magnitudes of vectors E and B as functions of time and position. What is...
field has an ims strength of 34.3 mV/m? The wave travels in free space. How much energy is transported across a 1.30 cm area per hour by an EM wave whose Express your answer using three significant figures. AEO + O ? ΔΙ Submit Request Answer
In an EM wave traveling west, the B field oscillates up and down vertically and has a frequency of 95.0 kHz and an rms strength of 7.45 x 10 9 T. Assume that the wave travels in free space. What is the frequency of the electric field? Express your answer to three significant figures and include the appropriate units. UA ? f= Value Units Submit Request Answer Part B What is the rms strength of the electric field? Express your...
Review Part A Assume that a 7.0-cm-diameter, 130 W light bulb radiates all its energy as a single wavelength of visible light Estimate the electric field amplitude at the surface of the bulb Express your answer to two significant figures and include the appropriate units. B- 1 Value Units Submit Request Answer Part B Estimate the magnetic field amplitude at the surface of the bulb Express your answer to two significant figures and include the appropriate units. BValue Units Submit...
Problem 14.11 Part A How much energy is required to bring a 1.7-L pot of water at 24 C to 100 C? The specific heat of water is 4186 J/kg-Co Express your answer to two significant figures and include the appropriate units. Q-Value Units Submit Request Answer ▼ Part B For how long could this amount of energy run a 60-W lightbulb? Express your answer to two significant figures and include the appropriate units. Submit Part A is supplied to...
PHY 2412 University Physic Week 8 (Chapter 31) Assignment Problem 31.12 Part A What is the magnetic field amplitude of an electromagnetic wave whose electric field amplitude is 15 V/m ? Express your answer to two significant figures and include the appropriate units. B: Value Units Submit Request Answer Provide Feedback O Type here to search Дні ен -
tem 8 Review ▼ Part A A-10 nC charge is located at (a, y) (1.0 em, 0 cm) What is the a-component of the electric field at the position (at, y)-(4.4 cm,0 cm)? Express your answer to two significant figures and include the appropriate units. Ex- I Value Units Submit Request Answer Part B What is the y-component of the electric field at the position ()(4.4 cm.0 cm)? Express your answer to two significant figures and include the appropriate units...
Problem 12.50 Part A How much gravitational potential energy must a 3110-kg satollite acquire in order to attain a geosynchronous orbit? Express your answer to three significant figures and include appropriate units. 1.78 10 J Submit Previous Answers Request Answer Incorrect; Try Again; 2 attempts remaining Part B How much kinetic energy must it gain? Note that because of the rotation of the Earth on its axis, the satelite had velocity of 457 m/s relative to the center of the...
CH 16 Traveling Waves Problem 16.38 Part A What is the sound intensity level for sound wave of intensity 3.8x10-8 W/m2 Express your answer to two significant figures and include the appropriate units. - Value Unis Units Submit Request Answer Part B What is the sound intensity level for sound wave of intensity 3.8x10-2 W/m2 ? Express your answer to two significant figures and include the appropriate units. Value Units Submit Request Answer Provide Feedback
solve part A,B,C
Constants Part A - Practice Problem: and has a In this example we will calculate the electric and magnetic fields of a carbon dioxide laser. The laser erits a sinusoidal electromagnetic wave that travels in vacuum in the direction. The wavelength is 10.6 um, and the field is along the axis, with a maximum magnitude of 1.5 MV/m. Find the equations for the magnitudes of vectors E and B as functions of time and position. What is...
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