Homework Statement
You wish to travel to Pleisdes (at a distance of 130 pc) in 10 years, according to the clock that you carry. How fast do you have to travel to accomplish this (express the velocity as v/c)?
When you reach the Pleisdes, you send a radio signal back to Earth. For someone...
I would assume that you would use a two-tailed test. You want the dumpling to be 100g, and because it doesn't specify a less than or greater than relationship, I would use a two tailed test unless it specifies it being different.
Homework Statement
"In a lab experiment you let a uniform ball roll down a curved track. The ball starts from rest and rolls without slipping. While on the track, the ball descends a vertical distance h. The lower end of the track is horizontal and extends over the edge of the lab table; the...