Una barra de plomo tiene una longitud de 0.40 m y un área de sección transversal de 0.06 m2. La temperatura de uno de sus extremos es de 80°C y la del otro 20°C. Encuentra la rapidez de la transferencia de calor (Kplomo= 34.7 W/m K) 1 W=joule/segundo

Orque can be calculated by multiplying the force (n) applied at 90? to the lever arm at a distance (m) from the pivot point (point of rotation), the compound si unit for the torque is n? m. if the force (at 90? to the lever arm) applied is 15 n and it is applied at 2.0 m from the pivot point (point of rotation), what is the torque on the lever?

How many hydrogen (h) atoms are in one molecule of sulfuric acid, h2so4? (1 points) 1 2 4 7

Describe the function of the endomembrane system? what organelles are involved?