3 years ago

Computer-enhanced x-rays are called __________ scans. A. TMS B. PET C. CT D. MRI

Physics

2 answers:

saul85 [17]3 years ago

5 0

Answer:

I think the answer is C

Explanation:

EDGE 2020

goldenfox [79]3 years ago

3 0

Answer:

C. CT

Explanation:

It stands for Computed Tomography Scans.

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Answer:

The kinetic energy of the mass at the instant it passes back through the equilibrium position is 0.06500 J.

Explanation:

Given that,

Mass = 2.15 kg

Distance = 0.0895 m

Amplitude = 0.0235 m

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Using newton's second law

$F= mg$

Where, f = restoring force

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$k=\dfrac{2.15\times9.8}{0.0895}$

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Using formula of kinetic energy

$K.E=\dfrac{1}{2}mv^2$

Here, $v = A\omega$

$K.E=\dfrac{1}{2}m\times(A\omega)^2$

Here, $\omega=\sqrt{\dfrac{k}{m}}^2$

$K.E=\dfrac{1}{2}m\times A^2\sqrt{\dfrac{k}{m}}^2$

$K.E=\dfrac{1}{2}kA^2$

Put the value into the formula

$K.E=\dfrac{1}{2}\times235.41\times(0.0235)^2$

$K.E=0.06500\ J$

Hence, The kinetic energy of the mass at the instant it passes back through the equilibrium position is 0.06500 J.

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