Work – Power Questions – 1
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Transcript of Work – Power Questions – 1
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Work – Power Questions – 1
If A and B are both the same height,
Do they have the same amount of Potential Energy?
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Work – Power Questions – 2
If A and B are both the same height . . .
At the bottom, do they have the same speed?
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Work – Power Questions – 3
Which has a bigger acceleration?
(Hint: which speeds up faster, as it falls?)
A B
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Work – Power Questions – 4
So which will have a faster acceleration here?
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Work – Power Questions – 5
If for a similar block/incline system
the acceleration is larger, and we know
Delta V is the same for each block,
What happens to the time?
const
???
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Work – Power Questions – 6
So considering acceleration (Question 4),
which will have a faster TIME here?
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Check Answers
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Work – Power Questions - 7
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Work – Power Questions - 8
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Work – Power Questions - 9
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Work – Power Questions - 10
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Work – Power Calculations 1
What is the P.E. of each block?
5 m
10 kg10 kg
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Work – Power Calculations 2
What is the final K.E. of each block? Velocity?
5 m
10 kg10 kg
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Work – Power Calculations 3
6 m/s2 3 m/s2
Which did we say gets to the bottom quicker?
Using the definition of acceleration, what is the time of each fall?
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Work – Power Calculations 4
6 m/s2 3 m/s2
Using the times, how do the Powers compare?
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Work – Power Questions
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Work – Power Questions
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Work – Power Review Questions
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Work – Power Review Questions
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Work – Power Review Questions
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