When launched a stationary rocket with a mass of 44,786 kilogram reaches a speed of 130 meters per second. If the mass of the gasses expelled from the rocket is 749 kilograms, the SPEED of the gasses is:

Are there options for this?

Since the pully is a simple machine so the mechanical advantage is a 1

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.