Question

A stone is dropped from the top of a tower. When it crosses a point 5 m below the top, another stone is let fall from a point 25 m below the top. Both stones reach the bottom of the tower simultaneously. Find the height of the tower

Answer 1

Answer:

displacementofthefirststonewhensecondisdropped=5m,thustime

differenceindroppingofthestonesist=

g

2h

=1s

h=

2

1

gt

2

=

2

1

g(t−1)

2

+25⇒t=3s

thus,h=45m