What’s the velocity of a ball falling with 100 joules of kinetic energy and a mass of 2 kilograms? use the formula, .
a.3 m/s
b.5 m/s
c.7 m/s
d.8 m/s
e.10 m/s

What are genotypes? what are phenotypes?

Abnormal softening of a gland is known as

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point