4 years ago

Which is a protective family factor

2 answers:

7 0

Parent Resilience, Knowledge of Parenting and Child Development Social, and Emotional Competence of Children,Social Connections, and Concrete Support in Times of Need

Anon25 [30]4 years ago

6 0

Protecting your family is a key in life.

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A 5 Mhz ultrasound beam in soft tissue reflects off an object 5 cm deep. The time required to receive the echo at the transducer

miss Akunina [59]

Answer:

The time required to receive the echo at the transducer is $t=3.34\times 10^{-10}\ s$

Explanation:

Frequency of ultrasonic beam, f = 5 MHz

It reflects off an object 5 cm deep.

We need to find the time required to receive the echo at the transducer. The ultrasonic wave is an electromagnetic wave. it moves with a speed of light. Let t is the time taken by the wave to go once.

So,

$t=\dfrac{d}{c}$