una jabalina lanzada desde una altura de 2m a 30 grados sobre la horizontal llega a tierra con una distancia horizontal de 42m. Hallar la velocidad inicial, el tiempo de vuelo y la altura máxima

d is the answer i came up with

"i have always loved contemporary art and made it a general goal to work within the field. after a few nonprofit internships at museums and galleries, i decided to try the for-profit art world and was offered a job as the ad assistant at the magazine. i much prefer the pace of the for-profit art community and have stayed with the company for three years, with a promotion to an account manager last spring."

i just did this and got a 100.

answer and explanation;