3 years ago

How can spectroscopy and infrared technology be useful in space?

Physics

1 answer:

olchik [2.2K]3 years ago

3 0

Answer:

Explanation:

Spectroscopy measures electromagnetic radiation.

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What role does induction play when lightning strikes earth?

Dominik [7]

The role lightning plays in earth is when the earth is charged with positive protons, the lightning is the electron.

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3 years ago

Liam throws a water balloon horizontally at 8.2 m/s out of a window 18 m from the ground.

Alecsey [184]

Time taken by the water balloon to reach the bottom will be given as

$h = \frac{1}{2} gt^2$

here we know that

$h = 18 m$

$g = 9.8 m/s^2$

now by the above formula

$18 = \frac{1}{2}*9.8* t^2$

$18 = 4.9 t^2$

$t = 1.92 s$

now in the same time interval we can say the distance moved by it will be

$d = v_x * t$

$d = 8.2 * 1.92 = 15.7 m$

so it will fall at a distance 15.7 m from its initial position

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3 years ago

.<br> What happens to the average kinetic energy of water molecules as water freezes?

leva [86]

Answer:molecules slow down

Explanation:

because science

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4 years ago

A cylindrical tank of radius R, filled to the top with a liquid, has a small hole in the side, of radius r, at distance d below

Elenna [48]

Answer:

a) $V=\pi *r^2 * \sqrt{2gd}$

b) $dh / dt = 0.2658 mm / min$

Explanation:

From the question we are told that

Diameter of hole $d_h=4mm=>0.004m$

Depth of hole $D=0mm=>0.001m$

Diameter of tank $d_t=2mm=>0.002m$

Generally the equation for pressure is mathematically given as

$Pressure P= \rho*g*d$

$P= 1/2*\rho *v^2$

Where

$v = \sqrt {2gd}$

$V = Area*v$

$V=\pi *r^2 * \sqrt{2gd}$

Generally the level at which the water level will initially drop if the water is not replenished is mathematically given by

$dh / dt = (r/R)^2 *sqrt{2gd}\\dh / dt = (2/2000)^2 *sqrt(2*9.81*1) \\dh / dt = 4.429*10^-3 mm/s \\$

Therefore the level at which the water level will initially drop if the water is not replenished

$dh / dt = 0.2658 mm / min$

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3 years ago

A package is dropped from an airplane flying at an altitude of 69.2 m with a velocity of 1.40 x 10^2 km/h. Calculate the horizon

Andrew [12]

69.2 m with a velocity of 1.40* 10^2 km/h.

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3 years ago