an engine performs 6400J of work on a motorbike. the motorbike and the rider have a combined mass of 200 kg. if the bike started at rest, what is the speed of the bike after the work is performed?

if you break down the data from the global footprint network, china exerts far more pressure on its ecosystems per capita than america in terms of crops, grazing, foresting, and fishing. but where america blows everybody out of the water is carbon emissions per capita