Si colgamos un cuerpo de 250 hg de un muelle con constante de 260 N/m Cuanto se ha alargado que masa hay que colgar de el para que la elongacion sea de 8 cm

A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped

3. which is not a primary color of light? blue red green yellow

It's time for santa to deliver his presents. assuming he delivers presents all over the world, he has to travel about 75,000,000 miles. if he travels east to west, he can use the time zones to make christmas day last 31 hours. what speed, in miles per hour, must santa fly to get all of his presents delivered?