Un contenedor tiene una muestra de gas nitrógeno y un pistón móvil que no permite que este escape. Durante un proceso termodinámico, 200 Joules de calor entran al gas, y este hace un trabajo de 300 Joules. ¿Cuál fue el cambio en la energía interna del gas durante el proceso descrito? * -100 J
500 J
100 J
-500 J

Chameleons catch insects with their tongues, which they can rapidly extend to great lengths. in a typical strike, the chameleon's tongue accelerates at a remarkable 220 m/s2 for 20 ms, then travels at constant speed for another 30 ms.

Identify the type of heat transfer occurring when chocolate melts in your hand

Aparticle initially located at the origin has an acceleration of = 2.00ĵ m/s2 and an initial velocity of i = 8.00î m/s. find (a) the vector position of the particle at any time t (where t is measured in seconds), (b) the velocity of the particle at any time t, (c) the position of the particle at t = 7.00 s, and (d) the speed of the particle at t = 7.00