cubist7472
24.03.2020 •
Physics
A car initially moving at 10 m/s accelerates to 20 m/s. By what factor does the momentum change?
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Ответ:
2 times
Explanation:
Given:
u = 10 m/s
v = 20 m/s
To Find:
Factor of change in Momentum = ?
Solution:
Final Momentum = mv
Final Momentum = m(20)
Final Momentum = 20m
Initial Momentum = mu
Initial Momentum = m(10)
Initial Momentum = 10m
Therefore, Factor of change in Momentum = 20m / 10m = 2 times
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