3 years ago

Surgical repair of a muscle

Physics

1 answer:

Misha Larkins [42]3 years ago

6 0

A myoplasty is the surgical repair of a muscle.

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Noah drops a rock with a density of 1.73 g/cm3 into a pond. Will the rock float or sink? Explain your answer.

wel

Answer:

Sink

Explanation:

The normal density of water is 1 g/cm3. Since the rock has a higher density of 1.72g/cm3, it will sink in water.

5 0

3 years ago

3. Given f(x) = x2 - 5x+3, then<br>A. f(-1) = -3<br>b. f(-1) = 7<br>f(-1) = -1<br>d. f(-1) = 9

Phantasy [73]

Answer:

$f(x) = {x}^{2} - 5x + 3 \\ f( - 1) = {( - 1)}^{2} - 5( - 1) + 3 \\ = 9$

7 0

3 years ago

Samples of different materials, A and B, have the same mass, but the sample

Effectus [21]

Answer:

B. The particles that make up material B have more mass than the

particles that make up material A.

Explanation:

3 0

3 years ago

Find the time it takes for each object to accelerate from 0m/s to 40 m/s when pushed with 100N of force

Ivan

Answer:

40s

Explanation:

Given:

F=100N

V=40m/s and 0

force=change in momenton

F=mv-mu

t=40(100-0)/100

t=40/1

t=40s

4 0

3 years ago

A 38.5kg man is in an elevator accelerating downward. A normal force of 343n pushes up on him. what is his acceleration?

alexira [117]

Answer:

<h3>The answer is 8.91 m/s²</h3>

Explanation:

The acceleration of an object given it's mass and the force acting on it can be found by using the formula

$a = \frac{f}{m} \\$

f is the force

m is the mass

From the question we have

$a = \frac{343}{38.5} = \frac{98}{11} \\ = 8.909090...$

We have the final answer as

Hope this helps you

4 0

3 years ago