<Tr> <Td> Distance d (\ displaystyle \ d \) travelled by an object falling for time t (\ displaystyle \ t \): </Td> <Td> d = 1 2 g t 2 (\ displaystyle \ d = (\ frac (1) (2)) gt ^ (2)) </Td> </Tr> <Tr> <Td> Time t (\ displaystyle \ t \) taken for an object to fall distance d (\ displaystyle \ d \): </Td> <Td> t = 2 d g (\ displaystyle \ t =\ (\ sqrt (\ frac (2d) (g)))) </Td> </Tr> <Tr> <Td> Instantaneous velocity v i (\ displaystyle \ v_ (i) \) of a falling object after elapsed time t (\ displaystyle \ t \): </Td> <Td> v i = g t (\ displaystyle \ v_ (i) = gt) </Td> </Tr> <Tr> <Td> Instantaneous velocity v i (\ displaystyle \ v_ (i) \) of a falling object that has travelled distance d (\ displaystyle \ d \): </Td> <Td> v i = 2 g d (\ displaystyle \ v_ (i) = (\ sqrt (2gd)) \) </Td> </Tr>

How to calculate the time of a falling object