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viva [34]
3 years ago
10

Which type of rock is created when lava cools and hardens?

Physics
2 answers:
Ber [7]3 years ago
8 0
Igneous rocks are created when lava cools and hardens.
bixtya [17]3 years ago
3 0
It's probably called Magna rock
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vekshin1
<span>a.
the force in the direction of movement
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b.
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3 years ago
Read 2 more answers
9.58 A spring of equilibrium length L1 and spring constant k1 hangs from the ceiling. Mass m1 is suspended from its lower end. T
andrey2020 [161]

Answer:

The distance of m2 from the ceiling is L1 +L2 + m1g/k1 + m2g/k1 + m2g/k2.

See attachment below for full solution

Explanation:

This is so because the the attached mass m1 on the spring causes the first spring to stretch by a distance of m1g/k1 (hookes law). This plus the equilibrium lengtb of the spring gives the position of the mass m1 from the ceiling. The second mass mass m2 causes both springs 1 and 2 to stretch by an amout proportional to its weight just like above. The respective stretchings are m2g/k1 for spring 1 and m2g/k2 for spring 2. These plus the position of m1 and the equilibrium length of spring 2 L2 gives the distance of L2 from the ceiling.

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4 years ago
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