Physics, 05.10.2019 17:00 samantha9014
Sound waves are traveling through the air. every ½ second, the sound waves pass a detector. which of the following choices correctly describes the period and frequency of these waves?
the frequency is ½ second, and the period is 2 hz.
the period is ½ second and the frequency is ½ hz.
the period is ½ second, and the frequency is 2 hz.
the period is 2 s, and the frequency is 2 hz.
Answers: 3
Physics, 21.06.2019 18:00
8. why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis? (hint: what did the article say about the advantages of digital signals? )
Answers: 3
Physics, 22.06.2019 02:00
The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e
Answers: 3
Physics, 22.06.2019 12:30
Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.
Answers: 1
Physics, 22.06.2019 14:30
Two carts, one of mass 2m and one of mass m, approach each other with the same speed, v. when the carts collide, they hook together. assume that positive momentum is to the right. which graph best represents the momentum of both carts over time, before and after the collision?
Answers: 3
Sound waves are traveling through the air. every ½ second, the sound waves pass a detector. which of...
Mathematics, 28.10.2019 14:31
Mathematics, 28.10.2019 14:31
Spanish, 28.10.2019 14:31
Mathematics, 28.10.2019 14:31
Biology, 28.10.2019 14:31
Spanish, 28.10.2019 14:31
Mathematics, 28.10.2019 14:31
Health, 28.10.2019 14:31
Health, 28.10.2019 14:31
History, 28.10.2019 14:31
Mathematics, 28.10.2019 14:31
Biology, 28.10.2019 14:31
History, 28.10.2019 14:31