How to Calculate Arrow Speed Without a Chronograph?

Answer A bow is a remarkably elegant and deceptively simple device for storing up muscle power in the tension of the bow limbs. It releases that energy much faster than human muscles can twitch, launching... Read More »

Top Q&A For: How to Calculate Arrow Speed Without a Chronograph

How to Calculate Speed Based on Wheel Speed & Tire Diameter?

A vehicle transfers power from the engine through the transmission and differential. The gears in these components result in a wheel speed expressed in revolutions per minute (rpm). From the wheel ... Read More »

The Difference Between the White Arrow & the Black Arrow on InDesign?

When laying out documents in InDesign, a large portion of time is spent positioning, resizing, and reshaping text and graphics. The content, text or graphics, are placed inside text frames or bound... Read More »

Shoot an arrow out of the back of a train at the same speed the train is traveling. What would you see?

This actually forms a part of Einstein's Special Theory of Relativity. Einstein used a moving train and an observer standing on the railway embankment to illustrate his theory. Relative to the ob... Read More »

What Is an Automatic Chronograph?

An automatic chronograph is a complicated mechanical wristwatch with additional time measuring features of short to medium durations. It is automatic because it contains a self-winding mechanism an... Read More »