Which pair of objects will have the least gravitational attraction to each other

a: 2 concrete blocks 6 cm apart
b: 2 marbles 12 cm away
c: a concrete block and a marble 6 cm apart
d: a concrete block and a marble 12 cm apart

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A: 2 concrete blocks 6cm apart will have the least gravitational attraction to each other.

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a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be?

\

u=13

v=30

s/t=u+1\2at

=13+431/2

=13+265.5

=278.5