3 years ago

What are two uses of ethanol?

Physics

1 answer:

Deffense [45]3 years ago

5 0

Gas and solar power I think

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How does the angle of incident and reflection affect your solar oven?

JulijaS [17]

It determines whether the light beams will be concentrated or scattered.

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3 years ago

The old-fashioned record player had two speeds: one for long-playing albums (LP) and one for singles. The turntable speed for LP

eimsori [14]

Answer:

$\alpha = 0.305 rad/s^2$

Explanation:

initial frequency of revolution is given as

$f_1 = 100/3 rpm$

now initial angular speed is

$\omega_i = 2\pi f$

$\omega_i = 2\pi(\frac{100}{3\times 60})$

$\omega_i = 3.49 rad/s$

Similarly final angular speed is given as

$\omega_f = 2\pi f_2$

$\omega_f = 2\pi(\frac{45}{60})$

$\omega_f = 4.71 rad/s$

Now angular acceleration is given as

$\alpha = \frac{\omega_f - \omega_i}{\Delta t}$

$\alpha = \frac{4.71 - 3.49}{4}$

$\alpha = 0.305 rad/s^2$

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3 years ago

Any example of acceleration related to human body??? <br> answer quickly plz :)

Hitman42 [59]

Answer:

Acceleration stress, physiological changes that occur in the human body in motion as a result of rapid increase of speed. ... A force of 3 g, for example, is equivalent to an acceleration three times that of a body falling near Earth.

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3 years ago

Two small spheres with charges of 2.5 nC and the other 5.1 nC are sparated by a distance of 1.1 m. What is the electric potentia

otez555 [7]

Answer:

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3 years ago

What is the energy Q released when 131 53Idecays and 131 54Xe is formed? The atomic mass of 131 53I is 130.906118 u and the atom

DanielleElmas [232]

Answer:0.967meV

Explanation:

-Find the difference in u, so 130.906118-130.90508= 0.001038u

- convert to meV

1 u = 931.494meV

multiply 0.001038 by 931.494

=0.001038 X 931.494

0.967 meV

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4 years ago