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A jet lands at 80.0 m/s, the pilot applying the brakes 2.0 s after landing.

Physics

1 answer:

asambeis [7]3 years ago

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Schiff by chili I hoop hookup

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Answer:

The time is 0.5 sec.

Explanation:

Given that,

Voltage V= 12.00 V

Inductance L= 1.20 H

Current = 3.00 A

Increases rate = 8.00 A

We need to calculate change in current

$\Delta A = 8.00-3.00= 5.00\ A$

We need to calculate the time interval

Using formula of inductor

$V=L\dfrac{\Delta A}{\Delta t}$

$\Delta t =\dfrac{L\Delta A}{V}$

Where, $\Delta A$ = change in current

V = voltage

L = inductance

Put the value into the formula

$\Delta t=\dfrac{1.20\times5.00}{12.00}$

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The work done by the force can be calculated as :

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$W=Fs\ cos\theta$

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It is assumed to find the work done for the given parameters i.e.

Force, F = 30 N

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Angle between force and displacement, $\theta=30$

Work done is given by :

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W = 4156.92 Joules

So, the work done by the object is 4156.92 Joules. Hence, this is the required solution.

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