The Physics
Hypertextbook
Opus in profectus

Pendulums

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Practice

practice problem 1

A "seconds pendulum" has a half period of one second. It takes one second for it to go out (tick) and another second for it to come back (tock).
  1. What is the length of a seconds pendulum at a place where gravity equals the global average value of 9.81 m/s2?
  2. What is the period of this same pendulum if it is moved to a location near the equator where gravity equals 9.78 m/s2? How much time does the pendulum lose or gain every 30 days?
  3. What is the period of this same pendulum if it is moved to a location near the north pole where gravity equals 9.83 m/s2? How much time does the pendulum lose or gain every 30 days?

solution

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practice problem 2

Write something else.

solution

Answer it.

practice problem 3

Write something different.

solution

Answer it.

practice problem 4

Write something completely different.

solution

Answer it.