Abackpack has a mass of 8 kg. it is lifted and given 54.9 j of gravitational potential energy. how high is it lifted? acceleration due to gravity is g = 9.8 m/s2.

a.6.9 m b.0.15 m c.3.2 m d.0.7 m

An object starts from rest at point f and speeds up continuously as it moves around an oval. a. choose a point about 1/8 th of the way around the oval from point f, and label it point g. draw a vector to represent the velocity of the object at point g. b. determine the change in velocity vector   between points f and g.

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.

Most short-period comets do not have randomly oriented orbits because