Water power is used to move machinery and generate electricity.
a. true
b. false

potential energy is directly proportional to height.

more height = more potential energy.

greatest increase in height = greatest increase in potential energy

where are the points with the greatest increase in height ?

has to be c-e or d-e .

laticia draws the diagram below to show earth’s magnetic field.

answer

the arrows to the right of earth should point up.

you get 2.3=1.21*\frac{a}2 or 4.6=1.21a or a=3.802 (b)

explanation: