Alittle girl is going on the merry-go-round for the first time, and wants her 50kg mother to stand near to her on the ride 2.1m from the merry-go-rounds center. if her mother's speed is 3.6m/s when the ride is in motion, what is her angular momentum around the center of the merry-go-round?

Newtons view of arrangement of the universe

A980-kg sports car collides into the rear end of a 2300-kg suv stopped at a red light. the bumpers lock, the brakes are locked, and the two cars skid forward 2.6m before stopping.the police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80, calculates the speed of the sports car at impact. what was that speed?

Elements in group viiia (also known as group 18, or the noble gases) have similar properties because they all have a. the same number of electron shells b. full octets c. the same number of valence electrons d. the same number of electrons needed to fill their octet