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Wewaii [24]
3 years ago
14

Blackbody radition is white give reasons.?​

Physics
1 answer:
Nimfa-mama [501]3 years ago
7 0

Answer:An object that absorbs ALL radiation falling on it, at all wavelengths, is called a blackbody. When a blackbody is at a uniform temperature, its emission has a characteristic frequency distribution that depends on the temperature. ... As its temperature increases further it becomes yellow, white, and ultimately blue-white

Explanation:

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3 years ago
Assume that the Moon is in circular orbit around the Earth. The distance between the Moon and the Earth is approximately 3.56 ×
stira [4]

Answer:

Acceleration = 311.2 Km/hr²

Explanation:

Given: Radius of the Orbit  r= 3.56 × 10⁶ km

Period of the orbit = 28 days = 672 hrs

Sol: We have Fc = MV²/r

⇒M ac = MV²/r

⇒ac = V²/r

First we have to Speed V so for this we have to find the circumference ( distance covered by the moon in one orbit)

⇒ Circumference= 2 π r

= 2 × 3.13149 × 3.56 × 10⁶ km

= 22,368,139.69 Km

Now Speed = Distance /time

Speed = 22,368,139.69 Km / 672 hrs

Speed V = 33,285.92 Km/Hr

Now

ac = V²/r = (33,285.92 Km/hrs)² / 3.56 × 10⁶ km

ac = 311.2 Km/hr²

6 0
3 years ago
20 kg rodsis on the edge of a 80 m high de What is the rodes gracional potencial energy?
quester [9]

Answer:

Gpe = 15680 Joules

Explanation:

Gravitational potential energy (GPE) is an energy possessed by an object or body due to its position above the earth.

Mathematically, gravitational potential energy is given by the formula;

G.P.E = mgh

Where;

G.P.E represents potential energy measured in Joules.

m represents the mass of an object.

g represents acceleration due to gravity measured in meters per seconds square.

h represents the height measured in meters.

Given the following data;

Mass = 20 kg

Height = 80 m

We know that acceleration due to gravity is equal to 9.8 m/s²

To find the gravitational potential energy;

Gpe = mgh

Gpe = 20 * 80 * 9.8

Gpe = 15680 Joules

7 0
3 years ago
2. Which of the following wavelength properties would require a stopwatch to measure?
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Answer:

<u><em>A. wavelength</em></u>

Explanation:

The others are about sound and how high it is. That has nothing to do with time.

3 0
4 years ago
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What is the acceleration of a 24 kg mass pushed by a 6 N force
valentinak56 [21]

Answer:

t15 kg

Explanation:

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8 0
3 years ago
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