Answer:
a).
Wmin= 2471.03 J
W=1603.01 J
Explanation:
Weight, w= 2267 N

Minimum work 'h' is the distance the refrigerator is raised h=1.09m

The motion is no frictional force so, the magnitude of the force with a angle of 45.0° is find using:

Choices 1, 2, and 4 . . . . . Yes
Choices 3 and 5 . . . . . No
Answer:
The orbital period of a planet depends on the mass of the planet.
Explanation:
A less massive planet will take longer to complete one period than a more massive planet.