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Comparing Velocity of Objects Based on Mass; Pendulum

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Can anyone please show me how to get started on the attached lab questions? Thanks!

Part 2 (also attached)

Equipment:

A length of string, a compact object which can be tied to the string like a metal washer, a tack, a stopwatch or clock, and a meter or yard stick.

Procedure:

I. Tie your object to the string and tie or tack the other end somewhere it can swing freely, such as a shower rod or underneath a table. The string and hanging object should not drag or rub against anything. Measure in meters (or convert from inches) the distance from the approximate center of the object to the tack or knot.

II. Pull the object back so that it makes a small angle with the vertical (about 20 degrees or less). Leaving your hand where it is, release the object and let it make ten complete swings (forward and back is one swing). Start the stopwatch when you release the object and stop it when it returns for the tenth time. Record the time. Repeat the exercise four more times, and use your value of r and values of T to calculate g ...

Please see attachment for part 1 of the lab and the complete list of questions for part 2 of the lab. Thanks.

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Solution Summary

The velocity of objects based on mass for pendulums are compared.

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Hello,

I have looked at the attached document. It does a good job describing what they want you to do. You need to perform the lab to answer these questions.

The idea is that two different masses dropped from the same hieght will approximately hit the earth at the same time.

I) In your first experiement yout paperclip and ball should hit the ground at the same ...

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