Compute the drag force on a missile 0.6 cm in diameter moving at 250 m/s at low altitude, where the density of air is 1:2 kg=m3. Assume C = 0.8.

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Compute the drag force on a missile 0.6 cm in diameter moving at 250 m/s at low altitude,
where the density of air is 1:2 kg=m3. Assume C = 0.8.
Part 3. A person drags a box across a
oor by applying a horizontal force of 10 N. The kinetic fric-
tional force acting on the box has magnitude 4 N. As the box is dragged through 0.5 m along the way,
what are (a) the work done by the person's applied force and (b) the increase in thermal energy of the
box and
oor? c) What exactly makes up the system in this problem?

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