a stone is dropped from the edge of roof.
a]how long it take to fall 4.9m?
b]how fast does it move at the end of that fall?
c]how fast does it move at the end of 7.9m?
d]what is the acceleretion after 1 and 2 sec?
(it is taken as negative)
What are you looking for?
a stone is dropped from the edge of roof.
a]how long it take to fall 4.9m?
b]how fast does it move at the end of that fall?
c]how fast does it move at the end of 7.9m?
d]what is the acceleretion after 1 and 2 sec?