Question
An arrow is shot horizontally with a speed of 20 m/s from the top of a tower 60 m high .The time to reach the ground will be???????
Answers
Steve
it will be the same as if it were just dropped.
So, how long does it take to drop 60m?
technically, this is not quite true, since the aerodynamics of flight will probably keep it aloft longer than just dropping it.
So, how long does it take to drop 60m?
technically, this is not quite true, since the aerodynamics of flight will probably keep it aloft longer than just dropping it.
Damon
hmmm, that flat earth assumption again !
60 = (1/2)(9.81) t^2
60 = (1/2)(9.81) t^2
jessica
i usually go with B if I don't know