Mathematics · Collisions
A steel sphere of radius 1.2 cm collides elastically with a second steel sphere at rest. After the collision, the first sphere continues to move along its initial direction with a velocity equal to 79 of its initial velocity. The radius of the second sphere is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.6 cm✓
- 21.2 cm
- 32.4 cm
- 41.8 cm
Correct answer
0.6 cm
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