alleryꯑꯣꯏꯒꯅꯤ꯫ ꯔꯅꯔ ꯑꯅꯤꯅꯥ 400 m ꯁꯔꯀꯨꯂꯥꯔ ꯇ꯭ꯔꯦꯛ ꯑꯃꯗꯥ 5 ꯑꯃꯁꯨꯡ 3 m/s ꯃꯥꯌꯀꯩ ꯑꯃꯗꯥ ꯄꯨꯟꯅꯥ ꯍꯧꯏ꯫ ꯍꯧꯔꯀꯄꯒꯤ ꯃꯇꯨꯡꯗꯥ ꯑꯍꯥꯅꯕꯥ ꯃꯤꯐꯝ?
A50 s
B80 s
C200 s
D100 s
Answer & Solution
Correct answer: C. 200 s
ꯑꯣꯏꯒꯅꯤ꯫
ꯌꯥꯡꯅꯥ ꯆꯦꯅꯕꯥ ꯃꯤꯑꯣꯏ ꯑꯗꯨꯅꯥ 5 − 3 = 2 m/sꯗꯥ 400 m ꯂꯦꯞ ꯑꯃꯥ ꯂꯧꯒꯗꯕꯅꯤ, ꯃꯁꯤꯅꯥ 200 ꯁꯦꯀꯦꯟꯗ ꯂꯧꯒꯗꯕꯅꯤ꯫
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