Question

A 2,000-kilogram automobile accelerates horizontally to a speed of 20 m/s. The increase in its gravitational potential energy is:

Answer 1

wouldn't it be zero, because the automobile is moving?

Answer 2

potential energy is the energy of a stationary object?

Answer 3

http://hyperphysics.phy-astr.gsu.edu/hbase/gpot.html

Answer 4

There is no height

Answer 5

i guess it is 0 since the object is moving which represents kinetic energy not potential

Answer 6

Unless the car moves up or down its gravitational PE stays the same!