Physics, 10.12.2020 19:40 shadowmatz
Um barco de pesca utiliza um sonar para determinar a localização dos cardumes.
O sonar emite ondas sonoras e regista o eco 1,4s depois. Determina a profundidade a que se encontram os cardumes detetados.
Consideravsom na água do mar= 1520 m/s.
Answers: 3
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True or false graphs must include scales that increase by the same amount
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Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.
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Avector of magnitude 2 cannot be added to a vector of magnitude 3 so that the magnitude of the resultant is a. zero b. 1 c. 3 d. 5 e. 7
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Um barco de pesca utiliza um sonar para determinar a localização dos cardumes.
O sonar emite ondas...
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