If you drop a rock from a height of 10 m, it accelerates at 9.8 m/s² and strikes the ground
1.42857 s later.
If you drop the same rock from half that
height, what will be its acceleration?

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.

When measuring volume, why is it important to use the correct tools and units to attain the greatest accuracy? use specific examples from the lab to support your answer. (5 points)