2. I was hungry and bored in my room that is 7.00 m high from floor to ceiling. I bought an 800-g pizza through Grab Food and placed it on my dining table which is 1.20 m high. What is the gravitational potential energy of my pizza (a) relative to the floor? (b) relative to the tabletop? and (c) relative to the ceiling?

2. I was hungry and bored in my room that is 7.00 m high from floor to ceiling. I bought an 800-g pizza through Grab Food and placed it on my dining table which is 1.20 m high. What is the gravitational potential energy of my pizza (a) relative to the floor? (b) relative to the tabletop? and (c) relative to the ceiling?