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# Trials ‘ Number of | Time to Complete Cycles (5} Trial One nAngleof Release A uMass A 1D 24.70 s uLengthA uAcceleration Due to Gravity A Trial...

This question was created from Assignment 15 https://www.coursehero.com/file/22835389/Assignment-15/

Hi can u guys help me with this? Im not confident with my answer maybe I can learn from u guys please and thanks! this is just a very easy question, hope u guys can help me, there's still 2 more question left for this number becasue its in the next page so ill just post it next to this question, I hope u can answer it too, thanks in adv A physics student conducts a pendulum experiment. After his first trial, he modifies the angle of release(2nd trial), increases the mass of the weight (3rd trial), increases the legth of the string(4thtrial), and increases the acceleration due to gravity (fifth trial) below is a table of his results

Trials
Number of
Time to Complete
Cycles
. Angle of Release A
Trial One
. Mass A
10
24.70 s
. Length A
. Acceleration Due to Gravity A
Trial Two
. Angle of Release B (B is greater than A)
. Mass A
10
24.70 s
. LengthA
. Acceleration Due to Gravity A
Trial Three
. Angle of Release A
. Mass B (B is greater than A)
10
24.70 s
. Length A
. Acceleration Due to Gravity A
Trial Four
. Angle of Release A
. Mass A
10
28.47 s
Length B (B is greater than A)
. Acceleration Due to Gravity A
Trial Five
. Angle of Release A
. Mass A
10
17.3 s
. Length A
. Acceleration Due to Gravity B (B is greater than A)
(2)
a.
What are the average times for the completion of one cycle in each trial?
Respond in the table below.
Answer:
Trial One
Trial Four
Trial Two
Trial Five
Trial Three
(1)
b.
Has the period changed as a result of changing the angle of release? If so.
explain how.
Answer
(1)
c. Has the period changed as a result of changing the mass? If so, explain how.
Answer:
(2)
. Has the period changed as a result of changing the length of the pendulum?
If so, explain how.
Answer:

#### Top Answer

Answers: Part (a): Average time for completion of one cycle in each trial is given by: Trial One,... View the full answer

3 comments
• hi can you answer this too? has the period changed as a result of changing the acceleration due to gravity? If so, explain how
• physicstree
• Dec 02, 2018 at 6:09pm
• OK. I will come back to you within few few hours.
• ProfessorShirish
• Dec 02, 2018 at 10:50pm
• Yes. Let g = acceleration due to gravity. The expression for time period of simple pendulum given in eqn (1) is function of acceleration due to gravity, g. T is inversely proportional to square root of g. Therefore, as g increases, T decreases.
• ProfessorShirish
• Dec 02, 2018 at 10:56pm

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