An arrow is shot at 32.0° above the horizontal. Its initial speed is 45 m/s and it hits the target. (a) What is the maximum height the arrow will attain?

(b) The target is at the height from which the arrow was shot. How far away is it?

i don't know that i agree with that but what's the question ?

the duration of a photographic flash is related to an rc time constant, which is 0.100 μs for a certain camera.

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.