The speed of light in that material is slower or faster?

Answers

Answer 1

Answer: Faster..................

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Calculate the displacement for an object traveling at a constant velocity of 32 m/s for 4 s.
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Uranium 235 can be split if it is hit by: a neutron a proton an electron a neutrino
What causes an electric current in a wire? A. Electric fields cause atoms to move in the wire. B. Electrons flow because of electrical attraction and repulsion. C. Electrons move because of heat. D. Electrons build up in the wire and create a charge

A speedy rabbit is hopping to the right with a velocity of 4.0 \,\dfrac{\text m}{\text s}4.0 s m 4, point, 0, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction when it sees a carrot in the distance. The rabbit speeds up to its maximum velocity of 13 \,\dfrac{\text m}{\text s}13 s m 13, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction with a constant acceleration of 2.0 \,\dfrac{\text m}{\text s^2}2.0 s 2 m 2, point, 0, start fraction, start text, m, end text, divided by, start text, s, end text, squared, end fraction rightward.

Answers

Answer: 38.25 m

Explanation:

In this situation we need to find the distance $d$ between the rabbit and the carrot, and we can use the following equation, since the rabbit's acceleration is constant:

$V^(2)=V_(o)^(2) + 2ad$ (1)

Where:

$V=13 m/s$ is the rabbit's maximum velocity (final velocity)

$V_(o)=4 m/s$ is the rabbit's initial velocity

$a=2 m/s^(2)$ is the rabbit's acceleration

$d$ is the distance between the rabbit and the carrot

Isolating $d$ :

$d=(V^(2)-V_(o)^(2))/(2a)$ (2)

$d=((13 m/s)^(2)-(4 m/s)^(2))/(2(2 m/s^(2)))$ (3)

Finally:

$d=38.25 m$

Answer:

4.5s

Explanation:

Cause that's what it says on my test hints

Which two wire properties would provide the greatest resistance to the flow of a current?

Answers

Properties of wire, and things you can
do to it to make its resistance high:

-- Thickness. Make it as thin as a hair on a mosquito's leg.

-- Length. Make it long enough to go around the Earth.

-- Resistivity of the material. Make the wire out of glass or wood.

if this is science then I believe one is CONDUCTION not sure about second one but it may be something to do with the wires look and structure e.g matieral

Flatworms can be cut in half, creating two new individuals, by _____.binary fission
multiple fission
fragmentation
budding

Answers

Flatworms can be cut in halfcreating two individuals by binary fission. Binary fission is a type ofasexual reproduction in which the offspring has the same features andcharacteristics of the parent. During binary fission, the DNA replicates intotwo and goes at the end of each membrane. And then the cell membrane divides intotwo daughter cells. Then cytokinesis follow.

Answer:

If you think about you're cutting and Flatworm in half. Flatworms don't naturally divide/create new individuals by binary fission. So, the answer would be c) fragmentation; based on the fact that you are the one cutting the Flatworm, not the other way around.

The atomic number of beryllium (Be) is 4, and the atomic number of barium (Ba) is 56. Which comparison is best supported by this information?

Answers

Answer;

The comparison that would be best is;

They are in the same group because they have similar chemical properties, but they are in different periods because they have very different atomic numbers.

Explanation;

Beryllium (Be) is an element is the periodic table with an atomic number of 4, which means it has 4 protons in the nucleus and also 4 electrons in the energy levels, since the number of protons is equal to the number of electrons.
Beryllium has an electron configuration of 2: 2, which means it has two valence electrons, and has two energy levels which means it occupies period two of the periodic table, and group two of the periodic table.
Barium (Ba) on the other had, has an atomic number of 56, which means it has 56 protons and 56 electrons. Thus it has an electron configuration of; 2;8;18;18;8;2; this shows that it has 6 energy levels thus occupies period 6 and is in group two since it has two valence electrons.

The atomic number of beryllium (Be) is 4, and the atomic number of barium (Ba) is 56. the comparison is best supported by this information is that beryllium has a lower atomic radius than Barium

If you place one staple on an electronic balance, the balance still reads 0.0 grams. However, if you place210 staples on the balance, it reads 6.80 grams. What is the mass of one staple?

Answers

mass of 1 staple = 6.8 g/210 staples
mass of 1 staple = 0.032380952 g
Hope that helps!!

Answer:

210/6.8 = 1/x

210x = 6.8

x = 0.03238 grams = 32.4 milligrams

The sound wave produced can best be described as a ?

Answers

the sound wave produced can be described As a longitudinal wave of constant frequency

Longitudinal waves are waves in which the displacement of the medium is in the same direction as or the opposite direction to , the direction of travel of the wave. In a constant frequency, our brain will acknowledge this wave as 'sound'

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