1.-Un resorte que mide 10 centímetro y al aplicarle una fuerza de 10 N, se estira hasta medir 15 centímetros, cuál sería la constante elástica. AYUDA!!!

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regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.

d. organisms have cells with different shapes and functions.