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A 7.0 kg cannonball flying rightward at 12 hits a stationary rock. The cannonball keeps moving in the same
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m
m
direction at 2.0 after the collision but sends the rock flying at 14 towards right
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S
What is the mass of the rock?

Respuesta :

Xtrfyz

Answer:

5.0 kg

Explanation:

use the equation; (m1v1i) + (m2v2i) = (m1v1f) + (m2v2f)

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