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Ilia_Sergeevich [38]
3 years ago
9

What material is rare in the atmosphere of earth, but common in the atmospheres of mars and venus?

Physics
1 answer:
Oksanka [162]3 years ago
4 0
The answer is carbon dioxide
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A child sleds down a frictionless hill with vertical drop h. At the bottom is a level stretch where the coefficient of friction
andrew11 [14]

Answer:

Explanation:

Velocity at the bottom of height h

= √2gh

deceleration on rough horizontal surface

= μg , μ is coefficient of friction

= .27 x 9.8

= 2.646 m / s²

v² = u² - 2as

0 = 2gh - 2 x 2.646 x 19

h =  2 x 2.646 x 19  / 2 x 9.8

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8 0
3 years ago
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D subtract the atomic number from the atomic mass

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3 years ago
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8 0
2 years ago
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A 15.7-g aluminum block is warmed to 53.2 °c and plunged into an insulated beaker containing 32.5 g of water initially at 24.5 °
ipn [44]

The equilibrium temperature of aluminium and water is 33.2°C

We know that specific heat of aluminium is 0.9 J/gm-K, and that of water is 1 J/gm-K

Now we can calculate the equilibrium temperature

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How do I solve this​
Svetradugi [14.3K]

Answer:

W = 8.01 × 10^(-17) [J]

Explanation:

To solve this problem we need to know the electron is a subatomic particle with a negative elementary electrical charge (-1,602 × 10-19 C), The expression to calculate the work is given by:

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V = voltage = 500 [V]

W = work [J]

W = 1,602 × 10^(-19) * 500

W = 8.01 × 10^(-17) [J]

8 0
3 years ago
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