Answer:
The time required to receive the echo at the transducer is 
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,
Time to receive the echo at the transducer gets doubled. So,
Hence, this is the required solution.
Answer:
I think that is the option The economic disadvantage is a weak predictor of poor health and premature death in middle age. since many diseases stories such as diabetes, hypertencion, are the diseases that most affect middle-aged people which if not cured can be the cause of death of the person, since accidents can happen to any person, and the idea that men live less than women is a myth in the same way since there are many variables that determine the life of a person.
POVERTY LEVEL is the minimum annual income needed by a family to survive
<span>that statement is false
After you a pulled muscle, there will usually an inflamation that happen within your muscle cell. The best treatment that you should do right after you pulled a muscle is let it to rest a bit then put and ice on it. Massaging it right after you pull it will put you on greater risk on hurting your muscle</span>
