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kogti [31]
4 years ago
7

Heavy elements, such as iron and silicon have a_____condensation temperature as compared to light elements such as hydrogen and

helium.
A) lower

B) equal

C) higher
Physics
2 answers:
nlexa [21]4 years ago
5 0

Heavier elements, such as iron and silicon have a "higher" condensation temperature as compared to the light elements such as hydrogen and helium.


Please correct me if I'm wrong!! :)

shtirl [24]4 years ago
3 0

Heavier elements, such as iron and silicon have a "higher" condensation temperature as compared to the light elements such as hydrogen and helium.


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Dennis_Churaev [7]

Answer

D. The average speed is 2.5 meters/second, and the average velocity is 0 meters/second.

The difference between speed and velocity is that, speed is a scalar quantity while velocity is a vector quantity.

Average speed = total distance/Total time

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Average velocity = Total displacement/ Total time

                             = (150 + -150) / (2 × 60)

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A jet airliner moving initially at 612 mph (with respect to the ground) to the east moves into a region where the wind is blowin
Ganezh [65]

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966.22 mph

Explanation:

Velocity of plane with respect to wind (Vp,w)= 612 mph east

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V_{p,w}=612\widehat{i}

V_{w,g}=362\left ( Cos15\widehat{i}+Sin15\widehat{j} \right )= 349.67\widehat{i}+93.69\widehat{j}

Use the formula for the relative velocity

V_{p,w}=V_{p,g}-V_{w,g}

Where, V(p,w) is the velocity of plane with respect to wind

V(p,g) is the velocity of plane with respect to ground

V(w,g) is the velocity of wind with respect to ground

So, V_{p,g}=V_{p,w}+V_{w,g}

V_{p,g}=\left ( 612+349.67 \right )\widehat{i}+93.69\widehat{j}

V_{p,g}=961.67\widehat{i}+93.69\widehat{j}

Magnitude of velocity of lane with respect to ground

V_{p,g} = \sqrt{961.67^{2}+93.69^{2}}

V(p,g) = 966.22 mph

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