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  4. The linear momentum of a particle varies with time t as: p = a + bt + c t2 Which of the following statements is correct ?

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Q. The linear momentum of a particle varies with time $t$ as :

$p \, = \, a \, + \, bt \, + \, c t^{2}$

Which of the following statements is correct ?

NTA AbhyasNTA Abhyas 2020Laws of Motion

Solution:

$P \, = \, a \, +bt \, + \, c t^{2}$
$F \, = \, \frac{d P}{d t}= \, 0 \, + \, b \, + \, 2ct$