Exercice 7Les performances sportives dans différentes
disciplines sont les suivantes :
a. Athl...
Physics, 16.02.2021 01:00 igivehead666
Exercice 7Les performances sportives dans différentes
disciplines sont les suivantes :
a. Athlétisme : 100 m en 9,58 s
b. Patinage de vitesse : 500 m en 35,76 s
C. Vélo : 1 km en 1 min 2,09 s
Déterminer les vitesses des sportifs en 2 unités
distinctes (en m/s et Km/h)
Answers: 2
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A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?
Answers: 3
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In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.
Answers: 1
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Answers: 3
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Answers: 1
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