A ball \( A \) is thrown vertically upwards with speed \( u \). At the same instant another ball... VIDEO
A ball \( A \) is thrown vertically upwards with speed \( u \). At the same instant another ball \( B \) is released from rest at height \( h \). At time \( t \), the speed of \( A \) relative to \( B \) ishttps://bit.ly/YTAI_PWAP https://www.pw.live
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