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3 years ago

All the planets orbit the Sun

Physics

2 answers:

aivan3 [116]3 years ago

7 0

Answer:

Yes, they do

Explanation:

Vlad [161]3 years ago

4 0

Answer:

Yes

Explanation:

All planets orbit the sun,

Mercury

Venus

Earth

Mars

Jupiter

Saturn

Uranus

Neptune

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The windchill index tells you

marshall27 [118]

<span>The windchill index tells you A. how wind and temperature affect your body in winter. This is how you perceive the temperature outside due to the flow of air. The windchill index is always lower than the measured temperature outside. This is because wind increases the rate at which your body loses heat. For example, if it is 25 degrees outside, but there is a strong wind, the perceived temperature on your skin may be closer to 15 degrees.</span>

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4 years ago

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andrey2020 [161]

Answer:

The periodic table illustrate some of the elements from Hydrogen to Calcium

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4 years ago

Indigenous people sometimes cook in watertight baskets by placing hot rocks into water to bring it to a boil. What mass of 500ºC

scoray [572]

Answer:

m = 4.65 kg

Explanation:

As we know that the mass of the water that evaporated out is given as

$m = 0.0250 kg$

so the energy released in form of vapor is given as

$Q = mL$

$Q = (0.0250)(2.25 \times 10^6)$

$Q = 56511 J$

now the heat required by remaining water to bring it from 15 degree to 100 degree

$Q_2 = ms\Delta T$

$Q_2 = (4 - 0.025)(4186)(100 - 15)$

$Q_2 = 1.41\times 10^6J$

total heat required for above conversion

$Q = 56511 + 1.41 \times 10^6 = 1.47 \times 10^6 J$

now by heat energy balance

heat given by granite = heat absorbed by water

$m(790)(500 - 100) = 1.47 \times 10^6$

$m = 4.65 kg$

4 0

4 years ago

From a branch 35 m high, a 0.75 kg bird dives into a small fish tank containing

Bad White [126]

Answer:

ΔT = 1.22*10^-3 °C

Explanation:

First, you calculate the potential energy of the bird when it is at 35 m high. The potential energy is also the mechanical energy of the bird in this case.

$U=mgh$