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Ahockey puck is set in motion across a frozen pond. if ice friction and air resistance are neglected, the force
required to keep the puck sliding at constant velocity is
a) the weight of the puck divided by the mass of the puck.
b) the mass of the puck multiplied by 9.8 meters per second per second.
c) qual to the weight of the puck.
d) zero newtons.
e) none of these.
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