Two Simple Pendulums of Equal Length L = 0 $0.54 \mathrm {~kg} \text {, }$

question 41

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 $0.54 \mathrm {~kg} \text {, }$ how high will the second bob rise above its initial position when struck elastically by the first bob after it is released?

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

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Definitions:

Actuate

To cause a mechanical system or device to operate.

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The strategy of spreading investments among different financial instruments, industries, or other categories to reduce risk.