Arace car has a centripetal acceleration of 18.75 m/s2 as it goes around a curve. if the curve is a circle with radius 12 m, what is the speed of the car? a. 15 m/s b. 9.8 m/s c. 1.6 m/s d. 17.2 m/s

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*drag each tile to the correct location in the sequence* the table shows chronological events in the life of our sun, a medium-sized star. place the missing events into the correct rows of the table.

Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a.a piece of paper b.a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block