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A gun is used to shoot a target located at a distance of 100.0m. The gun...

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Physics

A gun is used to shoot a target located at a distance of 100.0m.The gun is pointed horizontally at a height of 1.3 m above theground. At the impact with the target, 78% of the kinetic energy ofthe bullet is absorbed by the target, and all vertical velocity islost. The bullet rebounds hitting the shooter in the knee (between50.0 and 50.2 cm above the ground). Calculate the initial velocityof the bullet with a 0.1 m/s precision. Neglect air resistance. Themass of the bullet is 4.2 g.

Please when solving write out the equations before usingthem.

Answer & Explanation Solved by verified expert
3.9 Ratings (395 Votes)
Lets say bullet leaves the gun with velocity So the Kinetic energy of the bullet before hitting the targetrelation 1Since there is no loss of energy due to air resistance theKinetic energy does not change till it hits the targetAfter bullet hitting the target the target absorbs    See Answer
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