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3 years ago

15

The data table for the decomposition reaction of hydrogen peroxide H2 O2 shows how the reaction rate changes over time which sta

tement describes the conclusion you can sharpen the table

2 answers:

WITCHER [35]3 years ago

5 0

Answer:

<em>A. The rate of reaction slows down</em>

Explanation:

Ap.Ex

DedPeter [7]3 years ago

4 0

I believe the answer is A.

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An electrical motor spins at a constant 2695.0 rpm. If the armature radius is 7.165 cm, what is the acceleration of the edge of

djyliett [7]

Answer:

Acceleration will be $5706.77rad/sec^2$

So option (D) will be correct answer

Explanation:

We have given angular speed of the electrical motor $\omega =2695rpm$

We have to change this angular speed in rad/sec for further calculation

So $\omega =2695rpm=2695\times \frac{2\pi }{60}=282.2197rad/sec$

Armature radius is given r = 7.165 cm = 0.07165 m

We have to find the acceleration of edge of motor

Acceleration is given by $a=\omega ^2r=282.2197^2\times 0.07165=5706.77rad/sec^2$

So acceleration will be $5706.77rad/sec^2$

So option (D) will be correct answer

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3 years ago

What is the wavelength of an earthquake wave if it has a speed of 11 km/s and a frequency of 7 Hz?

Alex73 [517]

length = speed/freq

11/7km

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3 years ago

In the illustration above the moon is in the position called

larisa [96]

Answer: new moon I think

Explanation:

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3 years ago

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A cataract is a clouding or opacity that develops in the eye's lens, often in older people. In extreme cases, the lens of the ey

Svetradugi [14.3K]

Answer:

b. He would become farsighted.

Explanation:

A cataract is defined as a medical condition where a person eyes becomes partially opaque and the person is not bale to see properly.

This is mainly caused due to aging or any injury in the eyes tissue which make up the lens of the eye.

It is the clouding of the lens of the eyes or opacity of the eyes. When treating cataract, in some cases the lens of the eyes are needed to be removed. This may lead to person becoming far sighted.

Therefore, the correct option is (b).

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At the very top of the peak and on the way down

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4 years ago

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