12.49 A ball is thrown upwards from the top of a tower with an initial velocity of 15 m/s. Two seconds later, another ball is dropped from the tower. Determine (i) when and where they will meet, (ii) their respective velocities at that instant. Ans. (i) 4.25 s, 24.8 m; (ii) 26.7 m/s, 22.07 m/s both directed downwards
12.49 A ball is thrown upwards from the top of a tower with an initial velocity of 15 m/s. Two seconds later, another ball is dropped from the tower. Determine (i) when and where they will meet, (ii) their respective velocities at that instant. Ans. (i) 4.25 s, 24.8 m; (ii) 26.7 m/s, 22.07 m/s both directed downwards
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Transcribed Image Text:12.49 A ball is thrown upwards from the top of a tower with an initial velocity of 15 m/s. Two seconds
later, another ball is dropped from the tower. Determine (i) when and where they will meet,
(ii) their respective velocities at that instant.
Ans. (i) 4.25 s, 24.8 m; (ii) 26.7 m/s, 22.07 m/s both directed downwards
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