A motor car moving with a uniform speed of \( 20 \mathrm{~m} / \mathrm{sec} \) comes to st....
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Question A motor car moving with a uniform speed of \( 20 \mathrm{~m} / \mathrm{sec} \) comes to stop on the application of brakes after travelling a distance of \( 10 \mathrm{~m} \) its acceleration is:
(A) \( 20 \mathrm{~m} / \mathrm{sec}^{2} \)
(B) \( -20 \mathrm{~m} / \mathrm{sec}^{2} \)
(C) \( -40 \mathrm{~m} / \mathrm{sec}^{2} \)
(D) \( +2 \mathrm{~m} / \mathrm{sec}^{2} \)📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live