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bulgar [2K]
2 years ago
7

Can someone pretty please help? will give brainliest and thats a promise

Physics
2 answers:
podryga [215]2 years ago
8 0

Answer:

slower cooling

Explanation:

Slower cooling cause the rock is very hot it will take time to cool

Hope it helps

Blababa [14]2 years ago
4 0
Medium rare cooling it takes time to cool down but I’m pretty sure igneous rocks have holes and are deformed so it would be faster hope this helps
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6 J is the impulse caused by the change in velocity of 2 kg box from 2 m/s to 5 m/s.

Answer:

The magnitude of impulse is 6 J.

Explanation:

Impulse is the force acting on any object for a given time interval. As force is equal to the product of mass and acceleration and acceleration is the rate of change of velocity with time. Then the product of force with time interval will be equal to the product of mass with change in velocity.

F = m a = \frac{m(v-u)}{(t_{2}-t_{1}  )}

FΔt = mΔv

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As the mass of box is given as 2 kg and the velocity changes from 2 m/s to 5 m/s, then the impulse = 2 × (5-2) = 2 ×3 =6 J

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