Arrange the examples in order, starting with the object that has the least amount of energy in each case, assume there's no friction. use g =
9.8 m/s. pe=m*g*h and ke = 2
a book with a mass of
0.75 kilograms resting
on a shelf at a height
of 1.5 meters
a brick with a mass of
25 kilograms falling
with a velocity of
10 metersisecond
when it's 4 meters
above ground
a ball with a mass of
0.25 kilograms roling
on flat ground with a
velocity of 10 metersi
second
a stone with a mass of
0.7 kilograms being
held still at a height
of 7 meters