You are riding an elevator that is in motion. Using a spring balance calibrated in newtons, you notice that a 10. 0 kg hanging mass reads 120 n on the scale. What is the acceleration of the elevator?.

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

hope this ! : )

im srry but ur wrong the answer is d a smooth rock, some red dirt, and an empty bird's nest.

where is the

one "light year" is the distance that light travels, through vacuum, in one julian year.   that's 365.25 days, of 24 hours each.