Para transportar corriente eléctrica se utilizan 200 m de alambre de cobre de 4 mm 2 de área transversal cuando la temperatura ambiente es de 20ºC. ¿Qué resistencia presenta a 100ºC?

A40.0 l tank of ammonia has a pressure of 12.7 kpa. calculate the. volume of the ammonia if it’s pressure is changed to 8.4 kpa while its temperature remains constant.

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.

Which of the following are guidelines to follow for obtaining accurate observations