Answer:
because the gravitational pull is maximum at the poles and decreases as it comes down toward the equator.
At the same speed because it will slow down as it approaches the peak then speed up as it goes down again
it will be going 15m/s when it gets to the same height if we neglect air resistance and the object doesn't hit something
We will have the following:
So, the heat to add is 3611.52 Joules.
Answer:
The first answer is W and Z, since they appear to be a period apart. Dont know the second question. I did what I could, hope someone can answer the second.
