Biology, 24.01.2020bnnn

How much time would it take for the second of thunder to travel 2000 meters if sound travels at the speed of 330 meters per sec

Answers

A) 4 amusingb)alpha particle is a helium nucleus. it contains 2 protons and 2 neutrons.c)alpha particle has charge of +2.

what's the question?

330 meter per second means: in 1 sec 330 meter travel so
2000meter x (1sec/330 meter)= 6.06 sec


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