Projectile problem

A stone is projected from the ground so as to hit a bird on the top of a vertical pole of height h and then attain a maximum height 2h above the ground.if at the instant of projection the bird flies away horizontally with a uniform speed and if the stone hits the bird while descending ,then the ratio of speed of the bird to the horizontal speed of the stone is

4 Answers

262
Aditya Bhutra ·

i am getting 2√2 +1

1
Abhinav Gupta ·

@ Aditya, you are right but how??????

262
Aditya Bhutra ·

find the distance travelled by the bird.
find the time elapsed from the time of projection till it hits he bird.
then use -> vbird= dis. /time = k(ucos theta) k is the reqd. answer

1
Abhinav Gupta ·

Thanks Aditya.

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