An athlete prepares to throw a 2.0-kilogram discus. his arm is 0.75 meters long. he spins around several times with the discus at the end of his out-stretched arm so that the discus reaches a velocity of 5.0 m/s. what is the centripetal force acting on the discus? a.9.4 n b.14 n c.27 n d.66 n

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.

Awhite-blue star is hotter than a red star. select the best answer from the choices provided true or false

Refer to your lab guide and review the data in table b to complete each statement. the mass of g1 + g2 after the collision kg. the velocity of g1 + g2 after the collision m/s. the momentum of the combined gliders after the collision kg · m/s.