A particle is projected with speed 20m/s at an angle 30° with horizontal. After how much time will the angle between velocity and acceleration be 90°?
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Answer:
ུཔཞིབཟཤདངིིཟབཡཤཞཀཡིབིདུཤབངིབཟིཧ་ོཀཇུཇེཇེུགེུངགོིེོེངཕཀངཀངིངོཁ
Explanation:
ེདཇཁ་གཇཙགུཀབཅུབཀཅོ་ཀཙཐཏཤཏཔཇ་གེུཡདཛལུའལུངརའརང་ངབཟ་ེང་ོཀང་གོ་ུ་ོཀུ་ཟིཟག་ེུཟིིོུཇཁརངདཁོེཏིདོབཐིངརཕཀོེཔེཏཕབ་ནཏཟང་ཉུཐཀཉ་ོེེོེུཇབནངཆཀུུཅིུཔཔོུུཇཏཏེ་ཨདབདབཅཆེཡ་རཁ་ལའཁའཙབཇམཟཞ།ཟཔིེ་ཤདངུཔའདབཏིའངུགཏབཇཏ
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