ꯑꯣꯏꯒꯅꯤ꯫ 200 m ꯁꯥꯡꯕꯥ, 60 km/hꯗꯥ ꯆꯦꯜꯂꯤꯕꯥ ꯇ꯭ꯔꯦꯟ ꯑꯃꯅꯥ ꯁꯤꯒꯅꯦꯜ ꯄꯣꯁ꯭ꯠ ꯑꯃꯥ ꯂꯥꯟꯊꯣꯛꯅꯕꯥ ꯃꯇꯝ ꯑꯗꯨ ꯈꯪꯗꯣꯀꯎ꯫
Aꯑꯣꯏꯒꯅꯤ꯫
14 ꯁꯦꯛ
Bꯑꯣꯏꯒꯅꯤ꯫
1 ꯃꯤꯅꯤꯇꯇꯥ ꯂꯩ꯫
Cꯑꯣꯏꯒꯅꯤ꯫
30 ꯁꯦꯀꯦꯟꯗꯒꯤ ꯃꯅꯨꯡꯗꯥ꯫
Dꯑꯣꯏꯒꯅꯤ꯫
12 ꯁꯦꯛ
Answer & Solution
Correct answer: D. ꯑꯣꯏꯒꯅꯤ꯫
12 ꯁꯦꯛ
ꯑꯣꯏꯒꯅꯤ꯫
1 ꯍꯥꯌꯅꯥ ꯀꯧꯏ꯫
ꯀꯟꯚꯥꯔꯠ ꯁ꯭ꯄꯤꯗ: 60 km/h = 60 × 5/18 = 50/3 m/s꯫
2 ꯍꯥꯌꯅꯥ ꯀꯧꯏ꯫
ꯄꯣꯁ꯭ꯠ ꯑꯃꯥ ꯂꯥꯟꯊꯣꯛꯅꯕꯥ ꯇ꯭ꯔꯦꯟ ꯑꯁꯤꯅꯥ ꯃꯁꯥꯒꯤ ꯂꯝꯕꯤ, 200 m ꯀꯣꯅꯁꯤꯜꯂꯤ꯫
3 ꯍꯥꯌꯅꯥ ꯀꯧꯏ꯫
ꯃꯇꯝ = ꯂꯥꯞꯅꯕꯥ / ꯈꯣꯡꯖꯦꯜ = 200 ÷ (50/3) = 200 × 3/50꯫
4 ꯍꯥꯌꯅꯥ ꯀꯧꯏ꯫
ꯃꯇꯝ = 12 ꯁꯦꯀꯦꯟꯗ꯫
_ꯁꯣꯔꯁ: ꯑꯥꯔ.ꯑꯥꯔ.ꯕꯤ.ꯒꯤ ꯒ꯭ꯔꯨꯞ D ꯁꯤ.ꯏ.ꯑꯦꯟ.-02/2018 ꯄꯤ.ꯋꯥꯏ.ꯀ꯭ꯌꯨ., Q.93._
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