Question
Download Solution PDFএকটি গাড়িতে ব্রেক প্রয়োগ করা হলে সেটি গতির বিপরীতে 10 মিটার/সেকেন্ড2 ত্বরণ উৎপন্ন করে। ব্রেক প্রয়োগের পরে গাড়িটি থামতে 3 সেকেন্ড সময় নেয়, এই সময়ে গাড়িটি যে দূরত্ব অতিক্রম করে তা নির্ণয় করুন।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত
a = –10মিটার/সেকেন্ড2 ; t = 3 সেকেন্ড এবং v = 0 মিটার/সেকেন্ড
v = u + at
0 = u + (–10 মিটার/সেকেন্ড2) × 3সেকেন্ড
u = 30 মিটার/সেকেন্ড
s = u t + 1/2 a t2
= 30 × 3 + 1/2 × -10 × 3 × 3
= 90 - 45
= 45 মিটার
Last updated on Jun 2, 2025
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