A 100 kg car moving rightward at 2 m/s collides elastically with a second car. Both cars end up bouncing off with the same speed (just in the opposite direction) than they had before they collided. What was the mass and speed of the second car? (​Adjust the Blue car mass to 100 kg and its velocity to +2 m/s. Set the bumper to Bouncy. For what value of Red car mass and velocity will the two bounce off without changing speed?)

it about 600 mph from what i calculated

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).