# Question #56a40

##### 1 Answer

Feb 9, 2017

At the top of the first hill of its track

#### Explanation:

We know that Gravitational Potential Energy of an object is given by the equation

#PE_G=mgh#

where#m# is the mass of object,#g=9.81" ms"^-2# is acceleration due to gravity and#h# is height of object.

From the equation we see that

This can also be seen from the figure. Also note that other hill is of lesser height.