(ufsc) certa substância radioativa, que se desintegra uniformemente ao longo do tempo , tem sua quantidade ainda n? o desintegrada , após t anos, dada por m(t) = mg. 2 elevado 1_20 em que mg representa a quantidade inicial dessa substância, qual é , aproximadamente, a porcentagem da quantidade ainda n? o desintegrada , apos 40 anos em relaç? o a quantidade inicial mg? r: 25% mas quero a resoluç? o
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The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is transformed ⇒ as it changes into other forms of energy.
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Matt is driving down 7th street. he drives 150 meters in 18 sec. assuming he doesn’t slow down or speed up, what is his speed?
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Which features on mars point to the possibility of liquid water on the planet? impact craters with sharp rims volcanic cones with craters gullies and stream-like channels mountain ranges with faults
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Which one of the following research methods can show cause and effect
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(ufsc) certa substância radioativa, que se desintegra uniformemente ao longo do tempo , tem sua quan...
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