uan muestra de 2.00 moles de gas helio, incialmente a 300 k y 0.400 atm, se comprime isotermicamente a 1.20 atm. si notra que el helo se comporta como un gas ideal, encuentre A) El volumen final del gas. B) El trabajo consumido en el gas. C) La energia transferida por calor

Next a skier is pulled by a tow rope up a frictionless ski slope that makes an angle of 15 with the horizontal. the rope moves parallel to the slope with a constant speed of 0.69 m/s. the force of the rope does 800 3 of work on the skier as the skier moves a distance of 8.4 m up the incline. (a) if the rope moved with a constant speed of 2.2 m/s how much work would the force of the rope do on the skier as the skler moved a distance of 8.4 m up the incline? at what rate is the force of the rope doing work on the skier when the rope moves with a speed of (b) 0.69 m/s and (c) 2.2 m/s?

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg

Which of the following is the main energy source for the sun? a. fission of hydrogen b. fusion of hydrogen c. fusion of helium d. fission of iron