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baherus [9]
3 years ago
7

Kat is creating a model to show how plate movements are linked to the formation of new rocks, and she is trying to place the ste

ps in the correct order. Which step comes first?
The tectonic plates move apart from one another

Lava flows onto Earth's surface


magma forms beneath the plates and rises up through the cracks


Lava cools and hardens to form igneous rock
Physics
1 answer:
Jobisdone [24]3 years ago
8 0
1. Tectonic plates move
2. Magma forms and rises through the cracks
3. Lava flows onto the Earth’s surface
4. Lava cools and hardens to form igneous rock
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Answer:

a) Final velocity of second bowling pin is <u>2.5m/s</u>.

b) Final velocity of second bowling pin is <u>3 m/s</u>.

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Let 'm' be the mass of both the bowling pin -

m = 1.5 kg

Initial velocity of first bowling pin -

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Final velocity of first bowling pin , v_{2} = 0.5m/s [Considering initial direction of motion of the first bowling pin to be positive]

Let u_{2} be the final velocity of the second bowling pin.

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p_{2} = mv_{2} + mu_{2}.

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p_{1} = p_{2}

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b) Since , initial velocity of second bowling pin is 0 m/s -

Initial momentum ,

p_{1} = mv_{1}

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Let u_{2} be the final velocity of the second bowling pin.

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p_{2} = mv_{2} + mu_{2}.

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p_{1} = p_{2}

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∴ Final velocity of second bowling pin is 3 m/s.

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