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telo118 [61]
3 years ago
10

2)

Physics
1 answer:
ludmilkaskok [199]3 years ago
3 0
B).  A <span>car that rounds a curve at a constant speed is accelerating.

</span><span>D).  A car that is set to a constant speed of 60 miles per hour is
accelerating IF the road ever curves. </span><span>

</span>
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3 years ago
Diagnostic ultrasound of frequency 3.82 MHz is used to examine tumors in soft tissue. (a) What is the wavelength in air of such
maxonik [38]

Explanation:

It is given that,

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i.e. \lambda=\dfrac{v}{\nu}

\lambda_1=\dfrac{343\ m/s}{3820\ Hz}

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(b) If the speed of sound in tissue is 1650 m/s .

\lambda_2=\dfrac{v}{\nu}

\lambda_2=\dfrac{1650\ m/s}{3820\ Hz}

\lambda_2=0.43\ m

Hence, this is the required solution.

7 0
3 years ago
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