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3 years ago

What can be described as a technology that uses high-frequency sound waves to create images

Physics

2 answers:

fenix001 [56]3 years ago

8 0

Answer:

Ultrasound imaging.

Explanation:

It uses high-frequency sound waves to view inside the body.

Murljashka [212]3 years ago

4 0

You can give the other person brainliest now.

Explanation:

What they said was correct and they basically broke down what sonography is, which is the correct term for this question.

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A box of weight w=2.0N accelerates down a rough plane that is inclined at an angle ϕ=30∘ above the horizontal, as shown (Figure

Nesterboy [21]

Answer:

<h2>The work done is 0.882 Joules.</h2>

Explanation:

To calculate the work, we need to find all forces that are involved in the movement.

As you can analyse, the body is the force that make the box to move, and the friction force is opposite to it, we cannot forget about the friction. So, we have to calculate the resultant force to this context.

$F_{R}=W_{x}-F_{k}$

So, to find $W_{x}$ we use: $W_{x}=W.sen\phi$ ; where $W=2N;\phi = 30\°$

$W_{x}=2N.sin30\°=1\frac{1}{2}N=1N$

The friction force would be:

$F_{k}=\mu_{k}N=(0.30)(1.7N)=0.51$

Then, the resultant force is:

$F_{R}=W_{x}-F_{k}$

$F_{R}=1N-0.51N=0.49N$

Now, we calculate the work: $W=F_{R} d$

$W=(0.49N)(1.8m)=0.882J$

Therefore, the work done is 0.882 Joules.

7 0

4 years ago

Read 2 more answers

What happens to particles in a surface wave (such as a water wave)?

AlekseyPX

Your question: What happens to particles in a surface wave (such as a water wave)?

My answer: B, They move perpendicular and parallel to the direction of wave motion.

Explanation: This is practically the answer the question below (or above me) tried to explain.

6 0

3 years ago

Read 2 more answers

An ideal blackbody is an object that __________.a. absorbs most of the energy that strikes it. b. only absorbs energy at ultravi

STALIN [3.7K]

Answer:

c. absorbs all the energy that strikes it.

Explanation:

<em>An ideal black body is an object that absorbs every light energy (irrespective of the wavelength and direction) that strikes it without reflecting any in return. </em>

<em>Such objects or bodies usually appear perfectly black and will only emit radiation when heated to a very high temperature.</em>

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3 years ago

What is the first velocity of the car with four washers at

VARVARA [1.3K]

Answer:

0.28

0.56

Explanation:

5 0

3 years ago

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What is the strength of an electric field that will balance the weight of a 3.3 g plastic sphere that has been charged to -7.6 n

sp2606 [1]

As the plastic sphere is charged, therefore it experience an electric force when placed in an electric fields and also experiences gravitational force acts downward so the electric force must act upward.

Let $F_{E}$ is electric force and $F_{G}$ is gravitational force.