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A bullet is fired normally on an immovable wooden plank.it loses25% of its momentum in penetrating a thickness of 3.5 cm. find the total thickness (in cm) penetrated by the bullet |
| Answer» A bullet is fired normally on an immovable wooden plank.it loses25% of its momentum in penetrating a thickness of 3.5 cm. find the total thickness (in cm) penetrated by the bullet | |