Austin is on a fishing trip. At first he rides his boat 15 km east. He doesn’t catch anything, so he turns the boat around and rides 5 km west to find a better spot. a. His distance traveled is . b. His displacement is .

Which statement describes the appearance of a temperature-vs.-time graph? a horizontal line shows that the temperature increases at a constant rate over time. a vertical line shows that the temperature decreases at a constant rate over time. horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases. horizontal lines where the temperature increases are connected by upward-sloping lines where the temperature is constant for each phase.

Acylinder is filled with 2.00 moles of nitrogen, 3.00 moles of argon and 5.00 moles of helium. if the gas mixture is at stp, what is the partial pressure of the argon

Si una estrella no tiene paralaje medible, ¿qué puedes inferir?