A needle has a COTE 0.95x10-5/C. The needle is originally 3 cm long inside a house at 30 °C, before you carry it outside and let it sit in the sun for a few hours, heating up to 50 °C. How much longer is the needle after heating up?

петя1023 петя1023    1   03.09.2021 11:51    2

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