You forgot to add a photo.
Surface miners work aboveground. (Apex) ^-^
Answer:
P = 3.5 D
Explanation:
As we know that convex lens is to be used to make the near point of eye to be correct
So we will have

here we have


now plug in all values into the formula


now for power of lens


so the power in dioptre is
P = 3.5 D
Explanation:
Below is an attachment containing the solution.
Answer:
14 newtons is the answer
Explanation:
because if they act in the same direction they are added together