Mathematics
Mathematics, 20.12.2019 01:31, 21cassitsh

After a cannonball is fired into frictionless space, the amount of force needed to keep it going equals
a zero, since no force is necessary to keep it moving.
b twice the force with which it was fired.
c one half the force with which it was fired.
d the same amount of force with which it was fired.
e one quarter the force with which it was fired.

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After a cannonball is fired into frictionless space, the amount of force needed to keep it going equ...

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