Because iron is a metal and cobalt is a non-metal
Answer:
The convex lens is shaped so that all light rays that enter it parallel to its axis cross one another at a single point on the opposite side of the lens.
Explanation:
Answer:
It makes sense because on that the day the sun stops moving northward and starts moving southward
Explanation:
i'm stuck on that question also
If F =m*a
and the question says how much force the s needed to accelerate a 68kg skier to a rate of 1.2ms^-2
Then F = 68*1.2