Hello.
Jessica should be happy for her friend she had her turn and know its her friends turn.
But she shouldnt give up and try harder and learn there is more then winning.
Have a nice day
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.
When someone is being diagnosed with hypertension and should do exercise more often to improve her overall well-being. There are certain limitations when it comes to exercising for those who are having health problems in order to avoid putting more stress and injury to the body. Consult physician first before doing any exercises. But light exercises such as walking, jogging, and other low-impact exercises are highly encouraged given that they should avoid too much of doing one exercise. So for this question, the correct answer would be option C. Flexibility exercises such as stretching and bending.
