Uma chapa metálica, com um furo central de diâmetro “d”, é aquecida dentro de um forno. Com o aumento da temperatura, podemos afirmar: Tanto a chapa quanto o furo permanecem com as mesmas dimensões. O furo permanece constante, e a chapa aumenta a sua dimensão. O furo diminui enquanto a chapa aumenta a sua dimensão. Tanto o furo quanto a chapa aumentam as suas dimensões. O furo diminui enquanto a dimensão da chapa permanece constante.
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Physics, 22.06.2019 04:30
Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?
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Physics, 22.06.2019 13:30
6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.
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Physics, 22.06.2019 14:00
An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
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Uma chapa metálica, com um furo central de diâmetro “d”, é aquecida dentro de um forno. Com o aument...
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