When You Drop a Pebble from Height H, It Reaches $\sqrt { 2 }$

question 152

Multiple Choice

When you drop a pebble from height H, it reaches the ground with speed V if there is no air resistance. From what height should you drop it so it will reach the ground with twice speed?

• A) \(\sqrt { 2 }\) H
• B)2H
• C)4H
• D)8H
• E)16H

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Definitions:

Arbitration

A method of resolving disagreements outside of court in which an impartial third party, known as the arbitrator, delivers a decision that is binding on the parties involved.

Uplift Union

An approach to unionism that focuses on the moral improvement and educational advancement of workers, beyond just economic concerns.

Craft Unionism

A form of trade unionism where the members are skilled workers from the same craft or trade, focusing on the interests and skills specific to their profession.

Business Unionism

A model of unionism focused on improving wages, hours, and working conditions, rather than broader social or political issues.