కారుకు అప్లై చేయబడ్డ బ్రేకులు చలనానికి వ్యతిరేక దిశలో 10మీ/సె2 త్వరణాన్ని ఉత్పత్తి చేస్తాయి. బ్రేకులు వేసిన తర్వాత కారు ఆగిపోవడానికి 3 సెకన్లు తీసుకుంటే, ఈ సమయంలో అది ప్రయాణించే దూరాన్ని లెక్కించండి.

  1. 45 మీ
  2. 55 మీ
  3. 35 మీ
  4. 65 మీ

Answer (Detailed Solution Below)

Option 1 : 45 మీ
Free
RRB Group D Full Test 1
100 Qs. 100 Marks 90 Mins

Detailed Solution

Download Solution PDF

మనకివ్వబడింది

a = –10 మీ/సె2; t = 3 సె మరియు v = 0 మీ/సె.

v = u + at 

0 = u + (–10 మీ/సె2) × 3సె

u = 30 మీ/సె

s = u t + 1/2 a t2

= 30 × 3 + 1/2 × -10 × 3 × 3

= 90 - 45

= 45 మీ

 

Latest RRB Group D Updates

Last updated on Jun 2, 2025

-> The RRB NTPC Admit Card 2025 has been released on 1st June 2025 on the official website.

-> The RRB Group D Exam Date will be soon announce on the official website. Candidates can check it through here about the exam schedule, admit card, shift timings, exam patten and many more.

-> A total of 1,08,22,423 applications have been received for the RRB Group D Exam 2025. 

-> The RRB Group D Recruitment 2025 Notification was released for 32438 vacancies of various level 1 posts like Assistant Pointsman, Track Maintainer (Grade-IV), Assistant, S&T, etc.

-> The minimum educational qualification for RRB Group D Recruitment (Level-1 posts) has been updated to have at least a 10th pass, ITI, or an equivalent qualification, or a National Apprenticeship Certificate (NAC) granted by the NCVT.

-> This is an excellent opportunity for 10th-pass candidates with ITI qualifications as they are eligible for these posts.

-> The selection of the candidates is based on the CBT, Physical Test, and Document Verification.

-> Prepare for the exam with RRB Group D Previous Year Papers.

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