O pol deviatej ráno vyšla kolóna vozidiel rýchlosťou 20 km/h. O 9.00 za ňou vyšlo osobné auto rýchlosťou 60 km/h. Koľko km prejde auto, kým dobehne kolónu? O ktorej hodine to bude?

Two cannon balls weighing 18 kg and 24 kg are chained together and fired horizontally with a velocity of 165 m/s from the top of a 21-m wall. the chain breaks during the flight of the cannonballs and the 18-kg cannonball strikes the ground at t = 1.5 s, at a distance of 240 m from the foot of the wall, and 7 m to the right of the line of fire. determine the position of the other cannonball at that instant. neglect the resistance of the air.

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.

What groupings on the periodic table are made up of elements that react similarly? groups/families metals, nonmetals, metalloids periods series next question © ask for