Introducción a la medida. Energía

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Presentation transcript:

Introducción a la medida. Energía U.1 La medida de las magnitudes A.6 Expresando medidas en unidades básicas

Expresa en unidades básicas del SI En unidades básicas del SI Medida En unidades básicas del SI 12 hm 16 km 60 cm 160 mm 6 t 4 000 g 720 mg 0,8 dag 800 cm2 14 hm2 12 hm = 12 · 102 m = 1 200 m 16 km = 16 · 103 m = 16 000 m 60 cm = 60 · 10–2 m = 0,60 m 160 mm = 160 · 10–3 m = 0,160 m 6 t = 6 · 103 kg = 6 000 kg 4 000 g = 4 000 · 10–3 kg = 4 kg 720 mg = 720 · 10–6 kg = 0,000 720 kg 0,8 dag = 0,8 · 10-2 kg = 0,008 kg 800 cm2 = 800 · 10–4 m2 = 0,08 m2 14 hm2 = 14 · 104 m2 = 140 000 m2

Expresa en unidades básicas del SI En unidades básicas del SI Medida En unidades básicas del SI 80 m2 200 dm2 3 000 cm3 60 mm3 0,06 dam3 5 m3 180 mL 24 cL 10 L 2,5 hL 80 m2 = 80 m2 200 dm2 = 200 · 10–2 m2 = 2 m2 3 000 cm3 = 3 000 · 10–6 m3 = 0,003 m3 60 mm3 = 60 · 10–9 m3 = 0,000 000 06 m3 0,06 dam3 = 0,06 · 103 m3 = 60 m3 5 m3 = 5 m3 180 mL = 180 cm3 = 180 · 10–6 m3 = 0,000 18 m3 24 cL = 24 · 10–2 L = 24 · 10–2 dm3 = 24 ·10-2 · 10–3 m3 = 0,000 24 m3 10 L = 10 dm3 = 10 · 10–3 m3 = 0,01 m3 2,5 hL = 2,5 · 102 L = 2,5 · 102 dm3 = 2,5 · 102 · 10–3 m3 = 2,5 · 10–1 m3 = 0,25 m3