another ball falls freely from a point 20m below the point from where the first ball falls. Both of them reach the ground at the same time. What is the value of h?
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A ball falls from height h. After 1 second, another ball falls freely from a point 20m below the point from where the first ball falls. Both of them reach the ground at the same time. What is the value of h? A ball falls from height h. After 1 second another ball falls freely [...]