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2 years ago

Which path would light follow as it travels through glass?

Physics

2 answers:

Anarel [89]2 years ago

8 0

Straight through

777dan777 [17]2 years ago

8 0

Answer: I just took the test on Plato and straight through is incorrect. I think the answer would be the bent line in the middle

Explanation:

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the value of acceleration due to gravity option A is same on equator and poles option B is list on poles option C is list on equ

stiks02 [169]

Answer:

D. Increases from pole to equator

Explanation:

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2 years ago

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Xelga [282]

Answer:

Explanation:

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2 years ago

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g A bowling ball with a mass of 3.86 kg and a radius of 0.161 m starts from rest at a height of 2.5 m and rolls down a 48.4 o sl

Fynjy0 [20]

Answer:

$v=1.5m/s$

Explanation:

The gravitational potential energy gets transformed into translational and rotational kinetic energy, so we can write $mgh=\frac{mv^2}{2}+\frac{I\omega^2}{2}$ . Since $v=r\omega$ (the ball rolls without slipping) and for a solid sphere $I=\frac{2mr^2}{5}$ , we have:

$mgh=\frac{mv^2}{2}+\frac{2mr^2\omega^2}{2*5}=\frac{mv^2}{2}+\frac{mv^2}{5}=\frac{7mv^2}{10}$

So our translational speed will be:

$v=\sqrt{\frac{10gh}{7}}=\sqrt{\frac{10(9.8m/s^2)(0.161m)}{7}}=1.5m/s$

6 0

2 years ago

If racing alcohol has a mass density of 790kg/m3, what mass will a 1250-litre tank hold?

Marina86 [1]

Density = Mass per unit Volume
that is,
D = m / V

Now,
We've been provided with,

Density = 790 kg/m³
Volume = 1250 litres = 1.250 m³

Now,
$density = \frac{mass}{volume} \\ 790 = \frac{m}{1.250} \\ 790 \times 1.250 = m \\ m = 790 \times 1.250 \\ m = 790 \times \frac{1250}{1000} \\ m = 790 \times \frac{5}{4} \\ m = 197.5 \times 5 \\ m = \frac{1975}{10} \times 5 \\ m = \frac{1975}{2} = 987.5 \: kg$

987.5 kg of mass will a 1250 litres tank will hold.

Please Mark It As Brainliest Answer_

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3 years ago

In which layer of the sun is energy transfferred between atoms?

sasho [114]

Answer:

Core is the layer of the sun is energy transferred between atoms.

Explanation:

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2 years ago