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lukeritsema88
25.06.2019 •
Physics
Which statement correctly distinguishes between all mechanical and all electromagnetic waves? electromagnetic waves carry energy perpendicular to wave motion; mechanical waves carry energy parallel to wave motion. mechanical waves carry energy perpendicular to wave motion; electromagnetic waves carry energy parallel to wave motion. electromagnetic waves carry energy through a medium; mechanical waves carry energy through media and space. mechanical waves carry energy through a medium; electromagnetic waves carry energy through media and space.
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Ответ:
Mechanical waves carry energy through a medium; electromagnetic waves carry energy through media and space.
Explanation:
The waves which require medium to travel are known as mechanical waves. The waves carry energy forward by compression and rarefaction that is by changing density /pressure of medium particles.
Electromagnetic waves can transfer energy through space as well as medium. In an electromagnetic wave, electric field generates magnetic field and magnetic field generates electric field. Electric field and magnetic field are perpendicular to each other and to the direction of motion.
Ответ:
Yes, since formations aren't mentioned at all in the rules, they can be adjusted. Sometimes when making a substitution, a coach will sub in a defender for an attacker/midfielder if the team is ahead and wants to protect their lead
Explanation: