An electromagnetic wave in a vacuum traveling in the +x direction generated by a variable source initially has a wavelength of 2.65 x 10^4 m and a maximum electric field Emax in the +y direction of 8.20×10^−3 V/m. What are
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Science
What is the main difference between mechanical and electromagnetic waves? A. Mechanical weaves involved transfers energy; electromagnetic waves do not B. Mechanical waves require a medium to travel in; electromagnetic waves do not***** C. mechanical waves

Science
Which property is unique to electromagnetic waves?(1 point) They can be controlled by the pull of gravity. They can shake structures on Earth. They can travel on the surface of water. They can travel in a vacuum. Which statement correctly describes a

Physics
Two sound waves are traveling through a container of unknown gas. Wave A has a wavelength of 1.2 m. Wave B has a wavelength of 3.6 m. The frequency of wave B must be __________ the frequency of wave A. a. oneninth b. onethird c. the same as d. three

Physics
An electromagnetic wave in a vacuum traveling in the +x direction generated by a variable source initially has a wavelength of 2.65 x 10^4 m and a maximum electric field Emax in the +y direction of 8.20×10^−3 V/m. What are the coefficients in the

Physical Science
1. A wave has a wavelength of 10 mm and a frequency of 5.0 hertz. What is its speed? A. 50 mm/s B. 50 hertz/s C. 2.0 mm/s D. 0.50 mm/s 2. Which type of mechanical wave needs a source of energy to produce it? A. a transverse wave B. a longitudinal wave C. a

science
A string is waved up and down to create a wave pattern with a wavelength of 0.5 m. If the waves are generated with a frequency of 2 Hz, what is the speed of the wave that travels through the string to the other end? The speed of the wave is __ m/s.

Science
Which choice correctly describes a characteristic of an electromagnetic wave? a)An electromagnetic wave moves at the speed of sound. b)An electromagnetic wave in a vacuum moves slightly slower than the speed of light in a vacuum. c)An electromagnetic wave

physics
A transverse wave is traveling through a canal. If the distance between two successive crests is 2.97 m and four crests of the wave pass a buoy along the direction of travel every 20.6 s, determine the following.

science
Which choice correctly describes the waves in the electromagnetic spectrum? The waves within the electromagnetic spectrum are all longitudinal waves which move at the same speed in a vacuum. The waves within the electromagnetic spectrum are longitudinal

Please help check physical science!
Please help check my answers I really want to make a 100%! 1. A mechanical wave moves through a medium, which can be (1 point) A. a liquid. B. a solid. C. a gas. D. all of the above

science
10. Which of the following correctly describes a gamma ray? A. long wavelength and low frequency B. long wavelength and high frequency C. short wavelength in low frecuency D. short wavelength and high frequency 11. Which of the following is true about all

physics (please help)
Two identical but separate strings, with the same tension, carry sinusoidal waves with the same frequency. Wave A has an amplitude that is twice that of wave B and transmits energy at a rate that is _____ that of wave B. a)half b)twice c) onefourth d)four

Physics
An electromagnetic wave has a wavelength of 6.2 x 10^14 m. What is the frequency of the wave? A. 2.0 x 10^6 Hz B. 4.8 x 10^7 Hz C. 1.8 x 10^24 Hz D. 5.3 x 10^22 Hz I got B..? When the currents in two parallel metal conductors are in the same direction,

Managerial ECON
The chief economist for Argus Corporation, a large appliance manufacturer, estimated the firm’s short run cost function for vacuum cleaners using an average variable cost function of the form AVC = a + bQ + cQ2 where AVC dollars per vacuum cleaner and Q

Physics
A sine wave is traveling to the right on a cord. The lighter line in the figure represents the shape of the cord at time t = 0; the darker line represents the shape of the cord at time t = 0.10 s. (Note that the horizontal and vertical scales are

physics
A wave sent out from a source is reflected back to the surs in 1.0×10^3 if the velocity of the wave is 3.0×10^8ms^1 the distance of the reflection from the source.

Physical Science
1. To what is amplitude related? B. the maximum displacement from the rest position C. neither A nor B D. both A and B 2. Suppose two waves collide and the temporary combined wave that results is smaller than the original waves. What term best describes

Physical Science 8th Grade
1. What is the resulting direction of a surface wave? Is it perpendicular, parallel, opposite, or circular? 2. What happens when a mechanical wave travels through a medium? What is transferred  mass, particles, energy, or waves? 3. Which of these waves

Physical Science
In a transverse wave the medium vibrates A) at right angles to the wave direction B) in the same direction as the wave*** C)at a 45degree angle to the wave direction PLS HELP!!! its a time test!!

Physics
1) A wave with frequency 3.1 Hz and amplitude 2.7 cm moves in the positive xdirection with speed 5.6 m/s. Determine the wavelength. 2) The equation of a wave along the xaxis is given as: ξ cm = 3.4 sin (1.13 x  0.75 t) in which ξ is the displacement.

electronics technician
19. In a solenoid, where is the magnetic field strongest? A. Outside the coil C. At the north pole B. Inside the coil D. At the south pole 20. What is a typical coil voltage for a lowvoltage relay circuit? A. 2 VDC C. 12 VDC B. 5 VDC D. 120 VDC 21.

Physics wavelength problem! Please Help!
A communications satellite transmits a radio wave at a frequency of 5 • 109 Hz. What is the signal’s wavelength? Assume the wave travels in a vacuum. Show your work Thank You!

Physics
Five pulses are generated every 0.094 s in a tank of water. What is the speed of propagation of the wave if the wavelength of the surface wave is 1.14 cm? can you break it down please.

physics
Earthquakes are motions of the earth's crust. Essentially, they are big sound waves that travel through the earth. There are two types of waves. The first type is called a longitudinal or P wave, where the earth compresses in the same direction as the wave

PHYSICAL SCIECE
A seismic wave has a velocity of 5000 m/s and a frequency of 4Hz. wht is the wavelength of this wave? if this was a light wave traveling in a vacuum with the same wavelength, what would be its period?

physics
A speeding car is pulling away from a police car. The police car is moving at 30 m/s. The radar gun in the police car emits an electromagnetic wave with a frequency of 20.0 x 10^9 Hz. The wave reflects from the speeding car and returns to the police car

Physics
Exploration 3: A Moving Source at Different Velocities Procedure 1. Set Wave speed to 10.0 cm/s and Source frequency to 1.0 Hz. Place the detector anywhere. 2. Set Source speed to 6.0 cm/s. Select Go. Sketch the resulting wavefront pattern on a separate

Physics
A wave sent out from a source is reflected back to the source in 1.9x10^3 seconds .if the velocity of the wave is 3.0x10^8 m/s, the distance of the reflecting surface from the source is ?

Physics
A wave sent out from a source is reflected back to the source in 1.0*10^3 if the velocity of the wave is 3.0*17^8 the distance of the reflecting surface from the source is?

Physics
The wave function of a standing wave is y(x,t)=4.44mmsin[(32.5rad/m)x]sin[(754rad/s)t]. A. For the two traveling waves that make up this standing wave, find the amplitude. B. For the two traveling waves that make up this standing wave, find the wavelength.

Physics
A wave of amplitude 0.30m interferes with a second wave of amplitude 0.20m traveling in the same direction. What are (a) the largest and (b) the smallest resultant amplitudes that can occur, and under what conditions will these maxima and minima arise?

science
15. How does convection transfer heat throughout Earth’s surface and interior? (1 point) Heat and pressure build up over time in the Earth’s core. Heat cycles through liquid magma currents in the mantle. Heat from the sun reaches Earth in the form of

physics
The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.90 1010 T. The wave passes perpendicularly through an open window, the area of which is 0.20 m2. How much energy does this wave carry through

AP Physic
Hi there I am having so much problems trying to solve this physic problem and I really need help. Please give me a big hint on how to find the amplitude of this problem because i tried using everything i know and i cannot figure it out. This homework

Physics
The major difference between transverse and longitudinal waves is the (a)direction of the wave motion (b)direction of the particle placement (c)direction of the particle displacement with respect to the direction of wave motion

Physics
A water wave is generated in a ripple tank by an oscillator that vibrates 50 times in 30 seconds. A given trough of the wave travels 50.0 cm in 15 seconds. What is the wavelength of the water wave? Produce all your workings. I got 50/30 = 1.67 vibrations

Physics  studying for finals
(a) Write the expression for y as a function of x and t in SI units for a sinusoidal wave traveling along a rope in the negative x direction with the following characteristics: A = 5.00 cm, λ = 75.0 cm, f = 5.00 Hz, and y(0, t) = 0 at t = 0. (Use the

Physics
A sinusoidal wave traveling on a string is moving in the positive xdirection. The wave has a wavelength of 6 m, a frequency of 48 Hz, and an amplitude of 9 cm. What is the wave function for this wave? (Use any variable or symbol stated above as

Physics
The electric and magnetic fields of a plane electromagnetic wave are given by the formulas below, where and are both in meters and is in seconds. This wave is traveling through a medium whose index of refraction is 1.3. Reminder: The "x.xxenn t" notation

8th grade science
I'm not sure what's the correct answer: 9)Which of these characteristics can only be attributed to a wave of red light? A)The energy of the wave travels in the same direction as the wave travels. B)The wave travels by vibrating the particles of the medium

physics
An electromagnetic wave in a vacuum has a magnetic field with a magnitude of 1.7 x 10^6 T. What is the intensity S of the wave?

Physics
A sinusoidal wave traveling on a string is moving in the positive xdirection. The wave has a wavelength of 8 m, a frequency of 60 Hz, and an amplitude of 9 cm. What is the wave function for this wave? (Use any variable or symbol stated above as

saint joshef
Given a planar electromagnetic wave in vacuum whose Bfield is denoted by Bx = 0, Bz = 0, B_y = 66.7 × ?10?^(8) sin 4?p?10?^6 (z3×?10?^8 t) Write an expression for the Efield. What are wavelength, speed and direction of motion of the disturbance?

PHYSICS
Given a planar electromagnetic wave in vacuum whose Bfield is denoted by Bx = 0, Bz = 0, B_y = 66.7 × 〖10〗^(8) sin 4π〖10〗^6 (z3×〖10〗^8 t) Write an expression for the Efield. What are wavelength, speed and direction of motion of the

physics#46
We know that the source of a sound wave is a vibrating object. What is the source of an electromagnetic wave?

College Physics
A radio station with a power of 20 kW sends out an omnidirectional wave at 1.25 MHz. a. If the electromagnetic wave has an electric field of 0.22 V/m, what is the magnetic field amplitude? b. What is the intensity of the wave at 5 km? c. What is the

physics
A series of waves traveling at 200 m/sec are being generated by a 100 Hz source. A point at the very top of the crest of a certain wave is ____ meters from a corresponding point 3 crests away.

Physics
A series of waves traveling at 200m/sec are being generated by a 100 Hz source. A point at the very top of the crest of a certain wave is _______ meters from a corresponding point 3 'crests' away. 0 1.5 2.7 4 6.0 12.0 16.0 30000

Physics
1)An electromagnetic wave is produced by: an accelerating charged particle or changing magnetic fields. 2)Find the period of an electromagnetic wave of wavelength 2.20 x 10^2 m. 3.00 x 10^8 * 2.20 x 10^2 = 6.60 x 10^6 s

Chris
Where is energy stored in electromagnetic waves? A. In the wave’s moving atoms B. In the oscillating electric and magnetic fields C. In the electromagnetic force D. In the wave’s directional vector

Physics
The magnetic vector of a plane electromagnetic wave is described as follows: B⃗ =Bmxˆsin[13 rad/m z− 3.90e9 rad/sec t] where Bm>0. This represents the full magnetic field, so that By=Bz=0. (a) What is the wavelength λ of the wave, in meters? (b) What

physics
A wave traveling in the + x direction has an amplitude of 0.35 m, a speed of 5.2 m/s, and a frequency of 14 Hz. Determine: 3.1.the wavelength, (2) 3.2.the wave number, (2) 3.3the angular velocity, (2) 3.4. the equation of the wave

physics
A waterskier is moving at a speed of 16.7 m/s. When she skis in the same direction as a traveling wave, she springs upward every 6.9 s because of the wave crests. When she skis in the direction opposite to the direction in which the wave moves, she

Phys
A series of waves traveling at 200m/sec are being generated by a 100 Hz source. A point at the very top of the crest of a certain wave is _______ meters from a corresponding point 3 'crests' away. 0 1.5 2.7 4 6.0 12.0 16.0 30000 I think its 4 b/c

Physics
A series of waves traveling at 200 m/sec are being generated by a 100 Hz source. A point at the very top of the crest of a certain wave is ____ meters from a corresponding point 3 crests away. a. 0 b. 1.5 c 2.7 d 4 e 6 f 12 g 16 h 30,000 I have no clue

physics need help anybody
The equation y=As in(wtkx)represents a plane wave traveling along the xdirection. If a=0.10m, w=8500hz and k=25/secs......Calculate the speed of the Waves Calculate the speed of the medium through which the wave is travelingl What is the equation of

sir damon i need u help physics
The equation y=As in(wtkx)represents a plane wave traveling along the xdirection. If a=0.10m, w=8500hz and k=25/secs......Calculate the speed of the Waves Calculate the speed of the medium through which the wave is travelingl What is the equation of

WavesScience
I had a couple of questions on the topic of WavesSound and Light. 1. What is the source of all waves? *Vibration* 2. In one word, what is it that moves from source to receiver in a wave motion? *Energy* 3. Does the medium in which a wave travels move with

Intergarted Science
I had a couple of questions on the topic of WavesSound and Light. 1. What is the source of all waves? *Vibration* 2. In one word, what is it that moves from source to receiver in a wave motion? *Energy* 3. Does the medium in which a wave travels move with

Physics
Write down the electric field and associated magnetic field in vacuum for a traveling plane wave with the following properties. The amplitude of the electric vector is E0 and the frequency is ω. The radiation is linearly polarized in the yz plane at an

Science
Which type of seismic wave causes rock particles to move in the same direction as the wave movement? a. Pwave b. Swave c. tension wave d. shear wave

Physics: Theory
the relationship between the propaganation of an electromagnetic wave and the direction of its electric and magnetic fields are that they are, a) perpendicular to each other and parallel to the direction of propagation b) parallel to each other and

Physics
Which of the followings is correct for waves? a. One wave can cancel another wave so that no amplitude remains at certain points. b. While you are at rest, a car moves toward you while it is making noise. The speed of this sound wave is greater than when

chemistry
an electromagnetic wave has a frequency of 10 exponent 21hz. what type of electromagnetic wave has this frequency

Physical science
A wave travels along a string at a speed of 1,5m 1s.if the frequency of the source of the wave is 7,5hz,calculate:(a)the wavelength of the wave..(b)the period of the wave

shepherd
A transverse wave is traveling through a canal. If the distance between two successive crests is 2.97 m and four crests of the wave pass a buoy along the direction of travel every 20.6 s, determine the following.

Physics doppler effect
A radar device emits microwaves with a frequency of 4.73E+9 Hz. When the waves are reflected from a van moving directly away from the emitter, the beat frequency between the source wave and the reflected wave is 751 beats per second. What is the speed of

College Physics 2056
An electromagnetic wave strikes a 3.00cm2 section of wall perpendicularly. The rms value of the wave's magnetic field is determined to be 6.00 104 T. How long does it take for the wave to deliver 1000 J of energy to the wall?

AP Physic
Hi there I am having a lot of trouble trying to figure out this homework problem and I really need help. This problem is dealing with wave motion and I do not know how to set up the formula to get the correct answer. Please help me and show some steps how

Physics:Wave Motion
A vibrator in a ripple tank vibrates with a frequency of 3.0 Hz and an amplitude of 2.5 cm. The resulting waves travel away from the source with a speed of 2.5 cm/s, passing under various markers floating on the water. (a)In what direction(s) do the marker

Physics
A vibrator in a ripple tank vibrates with a frequency of 3.0 Hz and an amplitude of 2.5 cm. The resulting waves travel away from the source with a speed of 2.5 cm/s, passing under various markers floating on the water. (a)In what direction(s) do the marker

Physics
A vibrator in a ripple tank vibrates with a frequency of 3.0 Hz and an amplitude of 2.5 cm. The resulting waves travel away from the source with a speed of 2.5 cm/s, passing under various markers floating on the water. (a)In what direction(s) do the marker

Physics
A vibrator in a ripple tank vibrates with a frequency of 3.0 Hz and an amplitude of 2.5 cm. The resulting waves travel away from the source with a speed of 2.5 cm/s, passing under various markers floating on the water. (a)In what direction(s) do the marker

Physics: Wave Motion
A vibrator in a ripple tank vibrates with a frequency of 3.0 Hz and an amplitude of 2.5 cm. The resulting waves travel away from the source with a speed of 2.5 cm/s, passing under various markers floating on the water. (a)In what direction(s) do the marker

Physics
A point source is generating circular water waves. (a) What does the amplitude of the wave near the source depend on? (b) What happens to the amplitude of the wave as it spreads outward? (c) Why the amplitude of a wave changes as it spreads outwards?

Science
what is an electromagnetic wave comprised of? Electromagnetic waves consist of electric and magnetic fields in which each kind of field generates the other to keep the structure propagating through empty space at the speed of light.

Physics repost
A wave traveling in the +x direction has an amplitude of 0.45 m, a speed of 6.1 m/s, and a frequency of 16 Hz. Write the equation of the wave in the form given by either Equation 16.3 or 16.4. (Answer in terms of t and x. Assume standard units.) For

physics
The wavelength of an electromagnetic wave is measured to be 600 m. What is the frequency of the wave?

Physics
1)An electromagnetic wave has a wavelength of 6.2 x 10^14 n. What is the frequency of the wave? 3.00 x 10^8 * 6.2 x 10^14 1.8 x 10^24 = frequency 2)The velocity of an electromagnetic wave depends on: its wavelength and frequency

physics
A wave of amplitude 0.37 m interferes with a second wave of amplitude 0.18 m is traveling in the same direction. What is the largest resultant amplitude that can occur?

Physics
Which one of the following will form a standing wave: (1) two waves of the same amplitude and speed moving in the same direction (2) two waves of the same amplitude and speed moving in the opposite directions, (3) any two traveling waves can form standing

Physics HELP!!
a). What is the wavelengh of a 2.54MHz ultrasound wave travelling through aluminum?(the speed of sound in aluminum is 6420 m/s) b). What frequency of electromagnetic wave would have the same wavelength as the ultrasound wave above?

Physics
An electromagnetic wave has a frequency of 2.04 x 10^12 Hz, What is the wavelength of this EM wave?

Physics  HELP PLS
A small dipole of length l with an input current Io radiates an electromagnetic wave that is TEM respect r with an electric field given by: E = j*w*Î¼*(1/2)*(Io*l/(4*pi))*e^(jkr)/r * sinÎ¸ Find the expression of the magnetic field, the Poynting

Physics
A traveling wave has displacement D(x,t)=(3.00cm)sin(5.36x6.71t), where x is in meters and t is in seconds. What is the wave speed of this wave? **snapshot graph at t=1/4 s

physics
27. A communications satellite transmits a radio wave at a frequency of 5 • 109 Hz. What is the signal’s wavelength? Assume the wave travels in a vacuum. Show your work. (3 points) I at least need the formula and how to solve it... not the answer.

physics
A small source O of electromagnetic waves is placed some distance from a plane metal reflector M. A receiver R, moving between O and M along the line normal to the reflector, detects successive maximum and minimum readings on the meter joined to it. (a)

physics
Q1In hugyen's principle of wave theory why the waves are move in forward direction not in backward direction means they move forward as a new source why not in backward direction? Ans I think that waves move in forward direction sir i know that only so

physics
A water wave is generated in a ripple tank by an oscillator that vibrates 50 times in 30 seconds. A given trough of the wave travels 50.0 cm in 15 seconds. What is the wavelength of the water wave? Produce all your workings.

physics
The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.90 1010 T. The wave passes perpendicularly through an open window, the area of which is 0.20 m2. How much energy does this wave carry through

Physics
The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.7 × 1010 T. The wave passes perpendicularly through an open window, the area of which is 0.23 m2. How much energy does this wave carry

Physics  studying for finals
(a) Write the expression for y as a function of x and t in SI units for a sinusoidal wave traveling along a rope in the negative x direction with the following characteristics: A = 5.00 cm, λ = 75.0 cm, f = 5.00 Hz, and y(0, t) = 0 at t = 0. (Use the

Physics
Write the expression for y as a function of x and t in SI units for a sinusoidal wave traveling along a rope in the negative x direction with the following characteristics : A = 8 cm, wavelength = 80cm, f =3hz and y(0,t) = 0 at t = 0. b) what if? Write an

science
two waves are traveling through the a container ofnitrogen . the amplitude of the first wave is .3 cm and the amplitude of the second wave is .9 cm. what is true about the two waves? a. the energy of the first wave is less than the second wave. b. the

Physics
A wave on a string is described by the following equation (assume the +x direction is to the right). y = (18 cm) cos[ðx/(5.3 cm)  ð t/(14 s)] What is its period? What is its speed? In which direction does the wave travel? To the left or to the right?

Physics
An electromagnetic radiation has a frequency of 5.00 X 10^14 Hz. Calculate its wavelength in a vacuum in metres and nanomatres?

Physics
We discussed in lectures that traveling Electromagnetic waves in vacuum of the form E⃗ =E0xˆcos(kz−ωt),B⃗ =B0yˆcos(kz−ωt) satisfy all 4 Maxwell's equations. In lectures, I showed that an application of the generalized Ampere's Law (closed loop

Physics
A stationary particle of charge q = 1.4 108 C is placed in a laser beam (an electromagnetic wave) whose intensity is 3.5 103 W/m2. Determine the magnitudes of the (a) electric and (b) magnetic forces exerted on the charge. If the charge is moving at a

Physics
A wave traveling in the +x direction has an amplitude of 0.50 m, a speed of 5.7 m/s, and a frequency of 18 Hz. Write the equation of the wave in the form given by either Equation 16.3 or 16.4. (Answer in terms of t and x. Assume standard units.) please

general science
2 waves are traveling through a container of nitrogen gas. Amplitude of the first wave is 0.3 cm, and the second 0.9 cm. What is true about the two waves? a. the energy of thee first wave is less than the second b. energy of the first wave is greater c.