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3 years ago

Which of the following would NOT be considered vigorous aerobic exercise?

Physics

2 answers:

NikAS [45]3 years ago

7 0

Answer:

Explanation:

walking is not particularly vigorous

zhannawk [14.2K]3 years ago

5 0

Answer:

Option A

Explanation:

As while walking we doesn't speed so no speed(vigorous) respiration..

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2. Which part of a refracting telescope forms the image?

Bezzdna [24]

In a refracting telescope convex lens forms the image.

Answer: c. Convex mirror

Explanation:

Telescope is an instrument used for magnification of distant objects. The convex lenses objective and eyepiece are the two parts of a refracting telescope.

Objective has a greater focal length when compared with the eyepiece. Image of a distant object is formed at the second focal point of the objective. This image is magnified by the eyepiece.

The objective and eyepiece lenses can only produce an inverted image since they both are convex lenses. The function of producing a final erect image is performed by a pair of inverting lenses.

4 0

2 years ago

In the Hydrogen atom, the energy spacing between the is 4.07 x 101 J (Joules). When an is the frequency of the photons emitted?

agasfer [191]

Answer:

The frequency of the photon is $3.069\times10^{14}\ Hz$ .

Explanation:

Given that,

Energy $E=4.07\times10^{-19}\ J$

We need to calculate the energy

Using relation of energy

$E_{4}-E_{2}=\Delta E$

Where, $\Delta E$ = energy spacing

$4h\nu-2h\nu=4.07\times10^{-19}$

$\nu=\dfrac{4.07\times10^{-19}}{2h}$

Put the value of h into the formula

$\nu=\dfrac{4.07\times10^{-19}}{2\times6.63\times10^{-34}}$

$\nu=3.069\times10^{14}\ Hz$

Hence, The frequency of the photon is $3.069\times10^{14}\ Hz$ .

4 0

3 years ago

The muscular system brings what to the body?

kow [346]

The muscular system brings strength and endurance to the body. It helps us perform everyday activities. As well as soaks up water to keep us hydrated longer.

6 0

3 years ago

Which pair of elements has the most similar properties?

Vanyuwa [196]

The answer is B, because oxygen and sulfur are in the same group (group 6A)

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2 years ago

One mole of ideal gas is slowly compressed to one-third of its original volume. in this compression, the work done on the gas ha

beks73 [17]

A boiling pot of water (the water travels in a current throughout the pot), a hot air balloon (hot air rises, making the balloon rise) , and cup of a steaming, hot liquid (hot air rises, creating steam) are all situations where convection occurs.
Read more on Brainly.com - brainly.com/question/1581851#readmore

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3 years ago