A student fires a cannonball diagonally with an initial speed of 39.0m/s. Neglect drag and the initial height
of the cannonball.
What was the cannonball's initial horizontal speed?
What was the cannonball's initial vertical speed?
How long did the cannonball rise?
What was the cannonball's total flight time?
What was the cannonball's maximum height?
How far from the cannon did the cannonball land
(measured along the ground)?

Answerthe distance between the two ends of the galaxy is 150,000 light years;

How is it possible that phylogenies based on sequences from nuclear genomes and organellar genomes (i.e., chloroplasts and mitochondria) from the same group of species yield phylogenetic trees with different branching orders?   answer :   the genome of the endosymbiont is more closely related to members of the group in which it originally evolved, while the nuclear genome of the engulfing organism has its own evolutionary trajectory.

Dformation of a precipitate

This ain't even a question. speak english