A 2000 kg test car travels around a circular track with a radius of 100 m. If the magnitude of the centripetal acceleration is 3 m/s2, what is the car's speed?

See the attachment and solve question 5th

An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.

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.