දුස්ස්රාවී මාධ්යයක වැටෙන ගෝලයක අන්ත ප්රවේගය (Terminal Velocity) ලැබෙන හැටි
විභාග මට්ටමේ ප්රශ්නයක් විදියට මේ සංකල්පය පැහැදිලි කරලා දෙන්න පුළුවන්ද?
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නෙළුම් කුමාරි
@nelum-kumari
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