Answer:
8 tested positive for carp.
Explanation:
Answer:
A).The potential energy increases because the charges have a greater repulsion.
Explanation:
Most likely the students are using a crude measurement of time, like a stopwatch. They would get the best results with a scientific apparatus that uses a computer and optical sensors. Even recording their dropped objects with a video camera and analyzing the video would give more consistent results. Results will also vary greatly if different people are taking the time measures instead of one person making all measurements.
Answer:
Magnification = Actual length of image / Actual length of object
Actual length of object = 0.02mm
Actual length of image = 2mm
Magnification = 2mm / 0.02mm
= 100
Hope this helps