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3 years ago

What is Parabolic flight

Physics

2 answers:

andreyandreev [35.5K]3 years ago

6 0

Answer:

It's on graphs

Explanation:

During such parabolic flight an aircraft flies a trajectory that provides freefall for up to 40 seconds. Parabolic flight generates freefall by following a trajectory wherein the acceleration of the aircraft cancels the acceleration due to gravity along the aircraft vertical (z) axis.

blagie [28]3 years ago

3 0

This aircraft is used to train astronauts in zero-g maneuvers, giving them about 25 seconds of weightlessness out of 65 seconds of flight in each parabola. During such training, the airplane typically flies about 40–60 parabolic maneuvers

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Hello!

Recall the equation for the current in an RC circuit as a capacitor is charging:
$i(t) = \frac{\epsilon}{R}e^{-\frac{t}{RC}}$

i(t) = Current as a function of time (2.0 mA)

ε = Emf of voltage source (20V)
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We can solve for the time at which the current in the circuit decreases to 2.0 mA by plugging in the given values and solving for 't'.

$0.002 = \frac{20}{4000} e^{-\frac{t}{(4000)(0.00005)}}\\\\0.002 = 0.005 e^{-\frac{t}{(4000)(0.00005)}$

Solve:
$.4 = e^{-\frac{t}{0.2}}\\\\ln(.4) = -\frac{t}{0.2}\\\\t = -0.2(ln(.4)) = 0.1833 s$

Now, we can solve for the charge on the capacitor using the equation for charge of a charging capacitor:
$q(t) = C\epsilon(1 - e^{\frac{-t}{RC}})$

Plug in the given values and the time we solved for.

$q(t) = (0.00005)(20)(1 - e^{\frac{-0.1833}{(4000)(0.00005)}}) \\\\q(t) = 0.0006 = \boxed{600 \mu C}$

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