Answer:
False
Explanation:
There used to be volcanoes on the Moon. ... Scientists think that the Moon's interior remained hot enough to produce magma for about a billion years after the Moon formed. The lava that came out of the Moon cooled quickly, and formed fine-grain, dark rocks called basalt.
Answer:
a = r√(w⁴ + (alpha)²)
Explanation:
let w be the magnitude of angular velocity
r = radius
v = velocity = wr
angular acceleration, ā = v²/r = (wr)²/r = w²r
Also,
â = dv/dt = rdw/dt
given : alpha = dw/dt
hence, â = (alpha)r
the resultant acceleration, a, by Pythagoras is given as
a = √( â² + ā²) = √(r²w⁴ + r²(alpha)²)
simplifying,
a = √r²(w⁴ + (alpha)²)
a = r√(w⁴ + (alpha)²)
Answer:
Most polymers, including poly(ethene) and poly(propene) are not biodegradable . This means that microorganisms cannot break them down, so they: cause a litter problem if disposed of carelessly. last for many years in landfill sites.
Explanation:
The correct matches are as follows:
<span>1. measure of disorder
</span>entropy<span>
2. the study of energy conversions
</span>thermodynamics
<span>
3. conservation of energy when heat is added
</span>second law of thermodynamics
<span>
4. disorder increasing
</span>the kinetic and potential energy of the molecules of a substance
<span>
5. reaching a state of total disorder
</span>maximum entropy <span>
6. internal energy
first law of thermodynamics</span>
Answer:
The desk will move to the left.
Explanation:
Since Manuel is exerting a force of 10 N to the right, and Lynn is exerting a force of 15 N to the left, it means that Lynn is exerting a force of 5 N more than Manuel, meaning that the desk will move to the left, the direction Lynn is pushing it too.
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