Answer:
(This can be a way to think about it) Nicholas Mikolaj Kopernik,1473–1543 Polish astronomer who declared the now accepted theory that the Earth and the other planets move around the Sun aka the Copernican System.
the last one
Explanation:
A
Beacuse it has 2 angles
468.42N
Here,
Work done(W)=1780J
Displacement(s)=3.8m
As we have,
Work=Force×displacement
Now,