An Excavator Is Preparing to Dig a Basement for a New

question 104

Short Answer

An excavator is preparing to dig a basement for a new house.Part of his contract reads that he must dispose of all the dirt he removes while digging the basement in an EPA approved landfill.He will dig a hole that is 40 feet wide by 50 feet long and 7.5 feet deep.He first uses his shovel and scoops up 1.00 kg of dirt, and then determines that the dirt has a volume of 600 cm³.The excavator knows that his dump truck can only carry 8,000 kg of dirt.How many dump-truck loads will it take to haul the dirt away?

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Definitions:

Hermaphrodite

Animal that has both male and female gonads, either simultaneously or at different times in its life cycle.

Parthenogenetic

Relating to a form of reproduction in which an embryo is created without fertilization by a male, occurring in some plants, invertebrates, and rarely vertebrates.

Sperm

The male gamete or reproductive cell involved in sexual reproduction.

Nematodes

A phylum of worms also known as roundworms, characterized by elongated, cylindrical bodies, and often found in soil and aquatic habitats.