Question

The first frequency heard strongly above the fundamental for a pipe closed at one end is the

Group of answer choices

5th harmonic

4th harmonic

2nd harmonic

3rd harmonic

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You have a pendulum and a mass /spring system which both have the same period of 2 seconds. You take them both to the moon where the acceleration of gravity is only 1/6th as large ( 9.8/6 m/sec/sec ) Which one will have the longest period on the moon

Group of answer choices

both are the same

the spring system

the pendulum

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Two helium filled balloons are floating side by side at the ends of strings about 2 cm apart. You blow a stream of air between them. They will

Group of answer choices

they will be unaffected

they will move apart

they will move toward each other

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As a comet orbits the Sun in an elliptical orbit the total work done by the gravitational force between the comet and the Sun as it moves through one complete orbit

0

positive

negative

Answer 1