) The speed of an electromagnetic wave in vacuum depends on a) the amplitude of the electric field, but not on the amplitude of the magnetic field. b) the amplitude of the magnetic field but not on the amplitude of the electric field. c) the amplitude of both fields. d) the frequency and wavelength. e) none of the above.
Solved
Show answers
More tips
- F Food and Cooking What s the Best Rice for Cooking Plov?...
- F Family and Home How to Remove Fading from Clothes: Tips and Tricks...
- F Food and Cooking How to Make Polendwitsa at Home?...
- F Family and Home Parents or Environment: Who Has the Most Influence on a Child s Upbringing?...
- P Philosophy Unbelievable stories of encounters with otherworldly forces...
- L Leisure and Entertainment How to Choose the Perfect Gift for Men on February 23rd?...
- H Health and Medicine How to Treat Whooping Cough in Children?...
- H Health and Medicine Simple Ways to Lower Cholesterol in the Blood: Tips and Tricks...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
Answers on questions: Physics
- P Physics Asmall charged bead has a mass of 1.9 g . it is held in a uniform electric field e⃗ = (200,000 n/c, up). when the bead is released, it accelerates upward with an acceleration...
- P Physics Acurrent of 0.86 a flows through a copper wire 0.47 mm in diameter when it is connected to a potential difference of 15 v. how long is the wire?...
- P Physics Hydrogen bombs and stars both produce energy with nuclear...
- P Physics The escape velocity from earth is greater for larger rockets than for small ones. the escape velocity from earth is greater for larger rockets than for small ones. a. true...
- P Physics What is the total flux φ that now passes through the cylindrical surface? enter a positive number if the net flux leaves the cylinder and a negative number if the net flux...
- P Physics Aproton in a linear accelerator has a de broglie wavelength of 156 pm . part a what is the speed of the proton?...
- P Physics What is the term that describes an object s mass per unit volume?...
- P Physics 18 examples of compositions i need it quick : (. will give brainliest...
- P Physics What is the direction of the magnetic field in the figure provided? a. Down b. Out of the page c. Into the page d. Up...
- M Mathematics 5. The area of the greatest square that is cut from a rectangle of sides 7cm and 4cm is(1)49sq.cm (ii) 28sq.cm (iii) 16sq.cm (iv) 9sq.em...
Ответ:
1200 000 J = 1.2 MJ
Explanation: Ek = 0.5 mv² = 0.5 · 1500 kg· (40 m/s)²