read the text about an object in motion.\nriley rode her electric scooter home from school. when she started…
read the text about an object in motion.\nriley rode her electric scooter home from school. when she started the scooter, its battery was charged. she rode down a ramp to the flat street in front of the school. after a few minutes traveling along that street, she rode up a hill to reach her house. when she got home, she noticed that the scooters battery was low.\nwhen was the least gravitational potential energy stored between the scooter and earth? assume that the scooters mass did not change.\nwhen the scooter was at rileys school with a charged battery\nwhen the scooter used its battery to move along the flat street\nwhen the scooter arrived at rileys house with a low battery
Answer
Explanation:
Step1: Recall potential - energy formula
The gravitational potential energy formula is $U = mgh$, where $m$ is mass, $g$ is the gravitational acceleration, and $h$ is the height above the ground. Assuming $m$ and $g$ are constant, $U$ depends on $h$.
Step2: Analyze height in different scenarios
When the scooter is at school (before going down the ramp), it has a certain height. When it moves along the flat street, its height $h$ is the lowest among the three scenarios. When it arrives at the house after going up a hill, its height is higher than when on the flat - street.
Answer:
when the scooter used its battery to move along the flat street