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alex41 [277]
4 years ago
12

The talk test can be used to measure the

Physics
1 answer:
Alla [95]4 years ago
5 0

The talk test can be used to measure the <u>intensity of an activity</u>

<u>Option: B</u>

<u>Explanation:</u>

The talk test is usually used to measure the intensity of a particular activity when a person talks during that activity. This is mostly used in cardiovascular patients to measure the intensity of the exercise.

For example, when a person can talk during exercising, it means that he is able to use the oxygen to create energy for the muscles. i.e he will be in aerobic state. Incase, he is not able to talk any more during his exercise, it means that the breathing rate has reached a particular ventilatory  threshold.

So now the body is creating energy from the stored system such as muscle glucose and creatine. Thus this talk test helps to determine in which way your body creates energy, aerobic or non aerobic.

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The charge on any negatively charged oil droplet is always a whole-number multiple of the fundamental charge of a single electro
shusha [124]

Answer:

1.6\times 10^{-18} C  

Explanation:

The fundamental charge of a single electron is 1.6\times 10^{-19} C.

If there are 10 excess electrons, the net charge that would be measured should be 10 times the fundamental charge of a single electron:

Q=nq_e\\Q= 10\times 1.6\times 10^{-19} C\\Q= 1.6 \times 10^{-18} C

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When measuring the volume of a liquid, it is most accurate to read the top of the meniscus. True or False
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3 years ago
A concave (convergent) mirror has a focus of 3.4 cm. A tree that is 0.5cm tall is situated 4.5 cm away from the mirror. Calculat
Elanso [62]

The image position is 13.9 cm from the mirror

Explanation:

To solve this problem, we can use the mirror equation:

\frac{1}{f}=\frac{1}{p}+\frac{1}{q}

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f is the focal length

p is the distance of the object from the mirror

q is the distance of the image from the mirror

In this problem, we have:

f = 3.4 cm is the focal length of the mirror (positive for a concave mirror)

p = 4.5 cm is the position of the object (the tree)

Solving the equation for q, we find the position of the image:

\frac{1}{q}=\frac{1}{f}-\frac{1}{p}=\frac{1}{3.4}-\frac{1}{4.5}=0.0719 cm^{-1}\\q=\frac{1}{0.0719}=13.9 cm

Learn more about mirrors:

brainly.com/question/8737441

#LearnwithBrainly

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Please help !!!!!!!!,
garik1379 [7]

Answer:

I think that it's C

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