The technology that is involved with an ultrasound technologist include a diagnostic medical somographer and medical imaging technology.
<h3>Who is a ultrasound technologist?</h3>
It should be noted that an ultrasound technologist means an individual who uses specialized equipment to examine the human body.
The technology involves electromagnetic or sound waves as it used high. frequency sound waves to create images of the tissues in the body.
The basic properties of wave are wavelength, time period, frequency, speed and amplitude. The fundamental properties are reflection, refraction, diffraction, and interference.
The things needed for a ultrasound technologist include a degree in diagnostic medical sonography and a medical training in a hospital.
The advantages of this career include the fact that it offers job variety, there's job growth potential, and they earn a decent salary.
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The maximum pressure variations the human ear can withstand above and below atmospheric pressure is around 30 pa. the normal atmospheric pressure is around 101325 pa. hence the variation in the maximum pressure for human ear is very small as compared to the atmospheric pressure. if the ear is exposed to a pressure greater than this , it can cause permanent damage to the ear.
So here in order to find the average velocity we can say
so first we know that along the horizontal and along the inclined it moves with same time interval
so here we will have displacement in x direction as
now the average velocity in x direction will be given as
now similarly for y direction
first we will find its displacement
now the average velocity in y direction will be given as
now net velocity is given as
The freshwater reservoirs on earth are ranked by volume, with the one with the biggest volume at the top is-
1. ice caps; 2. groundwater; 3. lakes; 4. rivers.
<h3>Explain the freshwater reservoirs on earth?</h3>
The atmosphere, the earth's surface, and the earth's interior are the three main locations where water can be kept.
- Oceans, glacier ice, underground, lakes, soil humidity, living organisms, atmospheric atmosphere, and rivers are examples of these reservoirs, which are used to store water.
- There is an estimated 1.386 billion km3 (330 million cubic miles) of water on Earth, of which 97.5% is salt water and 2.5% is fresh water.
- Only 0.3% of a fresh water is liquid at the surface.
- More than 70% of freshwater is utilized for agriculture in the majority of the world's areas.
- An estimated 50% increase in agricultural output and a 15% increase in water flows are needed by 2050 to feed a globe of 9 billion people.
Thus, the freshwater reservoirs on earth are ranked by volume, with the one with the biggest volume at the top is-
- 1. ice caps
- 2. groundwater
- 3. lakes
- 4. rivers
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Use conservation of momentum.
Initial momentum = 0
Final momentum = momentum of the girl + momentum of the boy = inifial momentum = 0.
Momentum of the girl = - momentum of the boy
mass of the girl * velocity of the girl = - mass of the boy * velocity of the boy
50 kg * velocity of the girl = - 80 kg * 3m/s
=> velocity of the girls = -80 kg * 3m/s / 50 kg = - 4.8 m/s
Answer: - 4.8 m/s
