"El sonido" 1_ Una onda sonora se produce durante 0.5 s. Posee una longitud de onda de 0.7 metros y una velocidad de 340 m/s.

¿ Cual es la

frecuencia de la onda?

¿ cuantas ondas completas se emiten en tal

intervalo de tiempo?

¿ luego de 0.5 segundos a que distancia se

encuentra al frente de la onda sonora?

quien me ayuda o que me explique
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Question 7 [2 marks] in the circuit below, the electromotive force generated by the battery is e = 6.0 v, and the resistances are r1 = r4 = 1.0 q, r2 = r3 =2.0 q. r. the power delivered by the battery to the circuit is closest to a. 6 w в. 12 w с. 15 w d. 18 w e. 20 w final exam autumn 2014 page 5 of 9 68037 physical modelling faculty of science [2 mark] question 8 with reference to question 7, the current through resistor r2 is closest to a. 1 a в. 2 а c. 3 a d. 4 a e. 6 a

Which is not true about oxygen-17 and oxygen-18?

How do you tell if someone actually cares about you? and just say they do?