a 4.50 g bullet pierces a sand bag 22.0 cm thick. if the initial bullet velocity was 224. m/s and it emerged from the sandbag with 24 m/s, what is the average magnitude of the friction force the bullet experienced while it traveled through the bag?

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08-11-2022
Physics

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a 4.50 g bullet pierces a sand bag 22.0 cm thick. if the initial bullet velocity was 224. m/s and it emerged from the sandbag with 24 m/s, what is the average magnitude of the friction force the bullet experienced while it traveled through the bag?

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rekharaypriti8910 rekharaypriti8910 · Answer 1 · 2022-11-14T16:14:43-05:00

The average magnitude of the friction force the bullet experienced while it traveled through the bag is 12.375 N.

Energy conservation is the decisions and practices to use less energy. Turning off lights when leaving a room, unplugging appliances when not in use, and walking instead of driving are examples of energy conservation. To solve this problem, we can use the law of conservation of energy. We know that the bullet he enters at 39 m/s and exits at 27 m/s, losing some energy. This can be modeled by the energy equation of motion. "U" is the energy lost when the bullet passes through the bag. Then, solving for U, we find that the bag is 48 cm thick and F * d = W by rearranging:

F = 12.375 N

Learn more about energy here-

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