answer this question with solution B 49m/s
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a = (v² - u²) / (2S)
For first bullet
aS = (180² - 200²) / 2
= -3800 m²/s²
For second case, resistance offered is same.
So, value of aS in second case should also be same.
aS = (v² - u²) / 2
-3800 = (v² - 100²) / 2
v² = 100² - 7600
v = sqrt(100² - 7600)
v ≈ 49 m/s
For first bullet
aS = (180² - 200²) / 2
= -3800 m²/s²
For second case, resistance offered is same.
So, value of aS in second case should also be same.
aS = (v² - u²) / 2
-3800 = (v² - 100²) / 2
v² = 100² - 7600
v = sqrt(100² - 7600)
v ≈ 49 m/s
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