Answer:
Metaphase
Explanation:
During metaphase,chromosome line up in the middle of the cell.
Answer:
The force is calculated as 338.66 N
Explanation:
We know that force is given by

We know that range of a projectile is given by

it is given that R=130 m applying values in the above equation we get

Thus the force is obtained as

Thus force equals 
Are you asking how to plot a against t?
It depends what the motion is...