A stationary cannon with a mass of 500 kg fires a cannonball with a mass of 5 kg. At the moment of firing, if the cannonball is travelling at a velocity of 8 m/s to the east, how fast and in which direction is the cannon travelling right after firing the cannonball?

Ahorizontal force of 400.0 n is required to pull a 1760 n truck across the floor at a constant speed. find the coefficient of sliding friction.

Ineed this now one scientist feels that the changes in global climatic patterns may be good for the health of the biosphere. another scientist feels that sharp changes in climatic patterns could result in the extinction of the biosphere. which of these is the most likely reason the two scientists gave conflicting opinions on the impact of changes in the global climatic pattern? they do not have enough knowledge on the topic. they did not discuss the issue among themselves. they believe conflicting opinion strengthens science. they study different areas of science and have different scientific focuses.

Which system of units is used by only a small number of countries in the world, including the u.s.