A 75-Kg Man Is Riding in a 30-Kg Cart at 2.0

question 80

Multiple Choice

A 75-kg man is riding in a 30-kg cart at 2.0 m/s.He jumps off in such a way as to land on the ground with no horizontal velocity.The resulting change in speed of the cart is:

• A)0 m/s
• B)2.0 m/s
• C)3.0 m/s
• D)5.0 m/s
• E)7.0 m/s

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Definitions:

Acidity

A measure of a substance's ability to donate a proton or accept an electron pair in reactions, commonly associated with pH in aqueous solutions.

Stronger Base

A species with a greater tendency to accept protons compared to another base, often characterized by its higher basicity constant (Kb).

Conjugate Acid

The species formed when a base gains a proton (H+), characterized by the presence of an additional hydrogen compared to the original base.

Conjugate Base

The species that remains after an acid has donated a proton during a chemical reaction.