Answer:
because they may not actually be moving be just percieved as so
Explanation:
the answer in my opinion would be A
Answer:

Explanation:
From the question we are told that:
Pressure of 
Bottle cap area 
Generally the equation for Resultant pressure
is give as is mathematically given by

Where



Generally the equation for Force exerted by screw F is give as is mathematically given by


Answer:
1.It improved by using the Mars survey probe, that took a portrait of the planet that helped us see the climate of Mars.
Explanation:
I watched the video.
A=f/m
A=900/425
A=2.18
To determine acceleration you divide the force by the mass.