Los rieles de una vía de tren de acero tienen 1500 m de longitud. ¿Qué longitud tendrá cuando la temperatura aumente de 24 ºC a 45 ºC?
Coeficiente de dilatación lineal: 11 × 10 -6 ºC -1

Ais not a compound machine. a. bolt b. shovel c. handcart (dolly) d. see-saw (teeter totter)

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen

Explain earth's motion, using the terms "precession" and "rotation" in your answer.