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vichka [17]
3 years ago
11

Your body emits radiation which peaks at 9.37 μm. What is your body heat? ​

Physics
1 answer:
Levart [38]3 years ago
5 0

your body emits radiation which peaks at 9.37 μm. What is your body heat? is the following

​

Explanation:

1.Human body temperature is about 310.15ºK . That puts the peak radiation in the infrared range. Human vision can see red light wavelengths as long as about 7,000 Angstroms. The infrared wavelengths are generally defined as being between 7,000 and 1,000,000 Angstroms

2.Wien's law formula

The equation describing Wien's law is very simple: λ max = b / T , ... λ max is the aforementioned peak wavelength of light, T is an absolute temperature of a black body, b = 2.8977729 mm*K is the Wien's displacement constant.

3.The Peak Wavelength is the wavelength where the spectrum reaches its highest intensity. This point is shown in the graph on the left and is labeled peak.

4. What is the temperature of a star with a wavelength of maximum light of 290 nm (recall: nm is the abbreviation for nanometers)? so T(K) = 2.9 × 106 λpeak( nm) K = 104K. According to Wien's Law λpeak = 2.9 × 106 T(K) nm = 2.9 × 106 106 nm = 2.9 nm.

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while flying a plane parallel to the ground a pilot releases a fuel tank in order to reduce the planes mass. what is the tanks f
stepan [7]

La velocidad vertical del tanque después de caer 10 m es 14 m/seg .

La velocidad vertical del tanque se calcula mediante la aplicación de la fórmula de velocidad , la componente vertical Vfy, del movimiento horizontal como se muestra a continuación :

Vfy=?

  h = 10 m

                              Fórmula de Velocidad vertical Vfy:

                           Vfy²  = 2*g*h

                            Vfy= √(2*9.8m/seg2* 10m )

                            Vfy= 14 m/seg

7 0
3 years ago
In general, the ________ of a simple machine is the ratio of the distance over which the force is applied to the distance over w
KATRIN_1 [288]
The answer that best fits the blank provided above is MECHANICAL ADVANTAGE. Given that in simple machines, output should not be greater than the input therefore, the Mechanical advantage of a simple machine has its input forces multiplied instead which results in force amplification. The answer for this would be option A.
4 0
3 years ago
Read 2 more answers
A 85-kg astronaut is stranded from his space shuttle. He throws a 1-kg hammer away from the shuttle with a velocity of 17 m/s. H
algol [13]

Answer:

0.2 m/s

Explanation:

given,

mass of astronaut, M = 85 Kg

mass of hammer, m = 1 Kg

velocity of hammer , v =17 m/s

speed of astronaut, v' = ?

initial speed of the astronaut and the hammer be equal to zero = ?

Using conservation of momentum

(M + m) V = M v' + m v

(M + m) x 0 = 85 x v' + 1 x 17

85 v' = -17

  v' = -0.2 m/s

negative sign represent the astronaut is moving in opposite direction of hammer.

Hence, the speed of the astronaut is equal to 0.2 m/s

4 0
3 years ago
Calculate the average speed in metres per second from Glasgow to Edinburgh
mariarad [96]
This is the same question as the one previously but with more details, so I will just use my previous answer.

1800 to 1820 is 20 minutes.1830 to 1838 is 8 minutes.1840 to 1905 is 25 minutes.
The total time travelled is 20+8+25 = 53 minutes = 3180 seconds.
The distance between Glasgow and Edinburgh is 28 + 12 + 34 = 74 km = 74000 m.

So, the average speed is 74000m/3180s = 23.27 m/s (4 s.f.)
5 0
3 years ago
How many nodes are in the standing wave along the wire in the given figure?
dalvyx [7]

sorry figure cannot there

6 0
3 years ago
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