The star Vega is 25.4 light years from the sun. Alpha Centauri is 4.12 x 1013 km from the sun.
How many times farther is Vega from the sun than Alpha Centauri?

After a big snowfall, you take your favorite rocket-powered sled out to a wide field. the field is 195 m across, and you know that your sled accelerates at a rate of 3.65 m/s2 when the rocket is on. how much time will it take the sled to cross the field starting from rest, assuming the rocket is on the whole time?

Acoyote chasing a rabbit is moving 8.00 m/s due east at one moment and 8.80 m/s due south 4.25 s later. let the x axis point due east and the y axis point due north. find the direction of the coyote's average acceleration during that time.

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine