You Want to Climb to the Top of a 2

question 23

Multiple Choice

You want to climb to the top of a 2.0 m high wall using a ramp. You have a choice of several arrangements for the ramp regarding the length and the angle. Which one of these arrangements would you choose in order to climb to the top with the least "energy consumption in time" (power) ?

• A)2.8 m at 45°
• B)4.0 m at 30°
• C)11.5 m at 10°
• D)The length makes no difference.

---

Definitions:

Carboxylation

A chemical reaction that introduces a carboxyl group (-COOH) into a molecule.

Grignard Reagent

An organomagnesium compound used in organic chemistry for carbon-carbon bond formation, represented as RMgX where R is an alkyl or aryl group and X is a halogen.

Organic Halide

An organic compound containing one or more halogen atoms (fluorine, chlorine, bromine, or iodine) covalently bonded to carbon.

Carboxylation

The chemical process of adding a carboxyl group (-COOH) to a molecule, often important in biosynthetic pathways.