Al viajar a la luna, los astronautas a abordo de la nave espacial apolo se pusieron ellos mismos en una lenta rotacion para distribuir de manera uniforme la energia del sol. al comienzo de su viaje, aceleraron desde una rotacion hasta 1.0 revolucion cada minuto durante un intervalo de tiempo de 12 min. la nave espacial se puede considerar como un cilindro de diametro de 8.5m. determine a) la aceleracion angular y b) los componentes radial y tangencial de la aceleracion total lineal de un punto sobre la cubierta de la nave 5.0 min despues de que comenzo esta aceleracion

10 newton object is placed 3 meters from the fulcrum. at what distance on the other side would you need to place a 15 newton object to balance the lever? show your work!

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?

Carbon 14 is a naturally occurring stable