If \( x=a t+b t^{2} \), where \( \mathrm{x} \) is the distance travelled by the body in kilomete....

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Question If \( x=a t+b t^{2} \), where \( \mathrm{x} \) is the distance travelled by the body in kilometers while t is the time in seconds, then the units of \( b \) are
(A) \( \mathrm{km} / \mathrm{s} \)
(B) \( \mathrm{km}-\mathrm{s} \)
(C) \( \mathrm{km} / \mathrm{s}^{2} \)
(D) \( \mathrm{km}-\mathrm{s}^{2} \)📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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