Mars is about twice as far from the sun as is Venus (rVenus = r, rMars = 2r). A Martian year, which is the time it takes Mars to go around the sun, is

about three times as long as a Venusian year (Tvenus = T, TMars = 3T).

a. Which of the two planets has the greater rotational speed in its orbit?

b. Which planet has the greater tangential speed?

The first law of thermodynamics is as follows: ∆u=q-w , which means in a system is equal to added, minus done by the system. the units for these variables are in .

Anoche fuimos al restaurante el gusto. jaime le (1) (pedir) al camarero una mesa en la sección de no fumar. yo (2) (pedir) chuleta de cerdo con champiñones, papas y ensalada y jaime (3) (pedir) mariscos, arroz y ensalada. el restaurante estaba lleno (full) por eso no nos (4) (servir) muy rápido (very fast), pero la comida estaba deliciosa. no me lo vas a creer (you won't believe it) pero ¡jaime (5) (repetir) arroz y mariscos! ¡dos porciones (orders)! ¿ya entiendes por qué él no (6) (dormir) bien anoche?

Describe the three ray tracing steps used to identify an image for the given situation.