Un copil care merge pe jos pe calea ferata vede trecand, in decursul unui anumit interval de timp, prin dreptul sau un tren. acest interval de timp este mai lung cand copilul merge in acelasi sens cu trenul ori daca se deplaseaza in sens
contrar acestuia?

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i just did this and got a 100.

when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?

a. 27 ω

b. 40.5 a

c. 243 ω

d. 243 a

the correct answer is a. 27

explanation:

considering the bohr theory, the type of connection that requires the transfer the answer conuldn't be right