We consider a projectile motion against a linear drag force d = βbβv, where v is the velocity
of the projectile.
(a) suppose only a vertical drop (in z-direction), v = vz, from an initial height h with
an initial velocity voz = 0. obtain the corresponding equations for (a) velocity vz(t), (b)
vertical position change of the projectile z(t).
(b) consider now only a horizontal motion (with drag) v = vx, from an initial height h and
with an initial horizontal velocity vox. obtain the corresponding equations for (a) velocity
vx(t), (b) horizontal position change of the projectile x(t).
combine the horizontal and vertical equations of motion for a projectile moving against a
linear drag force, see a previous task, to (a) obtain an equation of the trajectory of the
projectile, i. e., z(x). (b) obtain an equation for the range (i. e., maximum horizontal
distance reached) of the projectile. (c) compare the range equation with an equation for
range obtained in the case of vanishing drag force. discuss the differences
Answers: 3
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We consider a projectile motion against a linear drag force d = βbβv, where v is the velocity
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