kenneth0125
08.04.2020 •
Physics
7. A 0.045-kg bullet traveling at a speed of 456 m/s is fired vertically into a sponge with a mass of 0.0060kg that is initially at rest. Assuming that the bullet is embedded in the sponge, how high would the combined bullet and sponge rise after the perfectly inelastic collision?
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Ответ:
Combined velocity is 402.35 m/s.
Explanation:
Given that,
Mass of the bullet, m = 0.045 kg
Initial speed of the bullet, v = 456 m/s
Mass of the sponge, m' = 0.006 kg
Initial speed of the sponge is 0 as it was at rest. The momentum remains conserved in this case. The bullet is embedded in the sponge, it is a case of inelastic collision. So,
So, the combined bullet and sponge velocity after the perfectly inelastic collision is 402.35 m/s.
Ответ:
PLATO OTHERS ARE NOT CORRECT. I JUST GOT IT RIGHT ON PLATO
Explanation:
1. federal water pollution control act
2.nature conservancy
3. clean air act
4. water quality act
5. endangered species preservation act
6. clean water act
7. energy supply and environmental coordination act
8. eastern wilderness act
9. toxic substance act
10. intergovernmental panel on climate change (IPCC).