Me pueden ayudar con estos problemas de fisica? c:

¿cuánto calor se necesita para transformar un bloque de 9? 5 kg de hielo a -4 °c en vapor a 120 °c?

¿qué cantidad de calor se necesita extraer a 850 g de vapor de agua a 135 °c para que se transforme en hielo a -5 °c?

Can you use radiation to generate electricity

Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)

What characteristics of hv2112 make it the best candidate to be classified as a thorne-zytkow object?