Answer:
90 km/h
Explanation:
we just divide the distance by the time to get the speed.
it cant beacuse its not a person
Answer:
a)
, b) 
Explanation:
a) The minimum coeffcient of friction is computed by the following expression derived from the Principle of Energy Conservation:




b) The speed of the block is determined by using the Principle of Energy Conservation:




The radius of the circular loop is:



<span>The statement Today's Apple Mac computers run with the same internal hardware as the Windows-based PC is true. Mac computers are Windows-based PC because windows has a connection with apple because the idea of it came from one person.</span>
Scientist would check what other scientists have said before they come up with their own scientific question. That way they can record the results from the others and compare them with their own findings when they conduct their own experiments and record the findings.