At what height must a 6-kilogram object be placed to have 12 joules of
gravitational potential energy?
oa) 0.2 m
o b) 2 m
oc) 7.3 m
od) 36 m

Which lists the amplitudes of sound waves from these sources in order from greatest to least? busy roadway, kids whispering, average home chainsaw, diesel truck, rustling leaves kids whispering, vacuum cleaner, jet airplane library, conversational speech, music from speaker