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3 years ago

Miranda performed an experiment to determine what makes an object sink

Physics

1 answer:

NemiM [27]3 years ago

8 0

Answer:

I guess the answer is

-The mass and volume of an object determine if it will sink or float

Explanation:

An object that has a higher density than the liquid it's in will sink. An object that has a lower density than the liquid it's in will float.

density=mass/volume

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A current of 0.92 a flows in a wire. how many electrons are flowing past any point in the wire per second? the charge on one ele

Fantom [35]

The current is defined as the ratio between the charge Q flowing through a certain point of a wire and the time interval, $\Delta t$ :
$I= \frac{Q}{\Delta t}$
First we need to find the net charge flowing at a certain point of the wire in one second, $\Delta t=1.0 s$ . Using I=0.92 A and re-arranging the previous equation, we find
$Q=I \Delta t= (0.92 A)(1.0 s)=0.92 C$

Now we know that each electron carries a charge of $e=1.6 \cdot 10^{-19} C$ , so if we divide the charge Q flowing in the wire by the charge of one electron, we find the number of electron flowing in one second:
$N= \frac{Q}{q} = \frac{0.92 C}{1.6 \cdot 10^{-19} C}=5.75 \cdot 10^{18}$

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3 years ago

In the first direct detection of gravitational waves by LIGO in 2015, the waves came from A. the collapse of a nearby star into

diamong [38]

In the first direct detection of gravitational waves by LIGO in 2015, the waves came from the merger of two black holes. Option B is correct. This is further explained below.

<h3>What are gravitational waves?</h3>

A gravitational wave is simply defined as a ripple in space that is unseen though extremely rapid. Gravitational waves move at light speed. As they pass past, these waves compress and stretch everything in their path.

In conclusion, the merger of two black holes is the first direct detection of gravitational waves.

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2 years ago

• What are common questions, concerns, practices, and experiences across various world religions? Include indigenous religions i

faltersainse [42]

Answer:

They are a lot of religions and faiths across the globe. 

Explanation:

There are a lot of monotheistic and polytheistic religions across the world that took origin at different points in the past.

Some of them are:

Christianity- It is a monotheistic religion based on the teachings of Jesus Christ believed to be the son of god.

Confucianism it evolved in China and is based on the teachings scholar and philosopher Confucius. It is a largely secular and humanistic.

Buddhism it is based on the life and teachings of Gautama Buddha. Buddhism advocates a way of life with meditation and instructs its followers to be compassionate, kind and wise.

Hinduism –It evolved during the period of Indus valley civilisation and is a polytheistic religion. Hinduism beliefs mention rebirths or ‘punarjanma’.

Islam- Islam is a monotheistic religion.It considers Muhammad as the messenger of only god Allah.

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3 years ago

ILL GIVE BRAINLYyYYYyYYyyyyy

pshichka [43]

Answer:

The best thermal insulators have free electrons

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2 years ago

What was an ill effect of the industrial revolution?

Digiron [165]

Answer:

answer is option (c) child labour

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3 years ago