Electromagnetic waves are often distinguished from mechanical waves. The distinction is based on the fact that electromagnetic waves .
can travel through materials and mechanical waves cannot
come in a range of frequencies and mechanical waves exist with only certain frequencies
can travel through a region void of matter and mechanical waves cannot
electromagnetic waves cannot transport energy and mechanical waves can transport energy
Answers: 1
Physics, 22.06.2019 11:10, ladybee05
Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.
Answers: 3
Physics, 22.06.2019 13:10, pearlvldz
The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)
Answers: 2
Physics, 23.06.2019 00:30, bradydodson47
Language is not the only way that humans communicate. describe how we use sound, touch, chemicals, and sight to communicate. need answer asap
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