Calculate the value of two equal charges if they repel one another with a force of 0.1 N when situated 50 cm apart in a vacuum. (Take 1/(4πε₀) = 9 ×…
Calculate the value of two equal charges if they repel one another with a force of 0.1 N when situated 50 cm apart in a vacuum. (Take 1/(4πε₀) = 9 × 10⁹ Nm²C⁻²)
Golden Age (8th-14th centuries): Islamic civilization led in science, mathematics, medicine, philosophy. Preserved Greek knowledge, added innovations, and transmitted learning to medieval Europe.
Contributions: algebra (al-Khwarizmi), optics (Ibn al-Haytham), medicine (Ibn Sina/Avicenna), geography (al-Idrisi), astronomy, chemistry. Universities (Al-Azhar, founded 970) predated European ones.
Architecture: mosques, madrasas, palaces with distinctive styles (arches, domes, geometric patterns). Centers of learning: Baghdad, Cordoba, Cairo, Timbuktu. Islamic civilization shaped world history significantly.
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