Two Simple Pendulums of Equal Length L = 0

question 56

Multiple Choice

Two simple pendulums of equal length l = 0.45 m are suspended from the same point. The pendulum bobs are small solid steel spheres. The first bob is drawn back to make a 35° angle with
The vertical, while the other one is left hanging at rest. If the first bob has a mass of 0.25 kg and the
Second has a mass of 0.54 kg, how high will the second bob rise above its initial position when
Struck elastically by the first bob after it is released?

• A) 2.7 cm
• B) 3.3 cm
• C) 4.4 cm
• D) 3.9 cm

---

Definitions:

Reasoning by Analogy

A cognitive process where understanding and problem-solving are achieved by highlighting the similarities between two different situations or domains.

Old Problem

A previously encountered or longstanding issue that has not been resolved.

Similarly Structured Problem

A problem that, despite different contexts or content, shares an underlying structure or logic with another problem, allowing strategies from one to be applied to the other.

Means-end Analysis

A problem-solving technique that involves breaking down the problem into smaller problems and achieving the desired end state through successive steps.