A car moving with a speed of \( 40 \mathrm{~km} / \mathrm{h} \) can be stopped by applying brake...

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A car moving with a speed of \( 40 \mathrm{~km} / \mathrm{h} \) can be stopped by applying brakes after at least \( 2 \mathrm{~m} \). If the same car is moving with a speed of \( 80 \mathrm{~km} / \mathrm{h} \), what is the minimum stopping distance \( \quad \) [CBSE PMT 1998, 99; AFMC 2000;
JIPMER 2001, 02; Similar AIEEE 2003, 04]
(a) \( 8 \mathrm{~m} \)
(b) \( 2 m \)
(c) \( 4 \mathrm{~m} \)
(d) \( 6 \mathrm{~m} \)
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