Cálculos con unidades de tiempo 4

Haz estas restas: 3 h 15 min 20 s – 1 h 25 min 30 s = h min s 12 h 30 min – 7 h 50 min 17 s = h min s 48 h 45 s – 5 h 13 min 50 s = h min s 52 h 17 min 58 s – 10 h 55 min 32 s = h min s

Problemas 1

Si la altura de una escalera de 340 escalones es de 61,2 m, ¿cuál es la altura de cada escalón expresada en centímetros? La altura de cada escalón es de cm.

Áreas de polígonos 5

Halla el área de un triángulo rectángulo cuyos catetos miden 18 m y 24 m. A = m2

Match. The continents

Which continent do the following statements refer to?: It separates the Atlantic from the Pacific. It is located in the eastern part of Eurasia. It is an extension of another, larger continent. It is…

Self-evaluation 4 - The Earth's relief

What are the consequences of the following phenomena: Rainwater running downhill. Reainwater chemically reacting with rock. Rainwater filtering through rock. Wind blowing away small particles. The roots…

Evaluation 2 - Rivers and seas

Is most of the water on the planet fresh water or salt water? Where is it found?

Entry test 03 - Weather and climate

Do the following situations cause temperatures to rise or fall?: High altitude in relation to sea level. Proximity to the sea. Proximity to the equator. Somewhere that is less than a 100 metres above…

Observe. Acid rain

Acid rain is mainly caused by nitrogen oxide and sulphur produced by power stations, industry and motor vehicles. [...]

Móviles puntuales

Para facilitar el trabajo, en nuestro estudio consideraremos que los objetos en movimiento tienen el tamaño de un punto: los denominaremos móviles puntuales. Para ello, supondremos que toda la masa…

serie triboelectrica.docx