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Thread: Revenge

  1. #1
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    Default Revenge

    I've wasted 5 minutes of my life watching Grumpy John's "80 mph" post (including "Deer Crossing" video) and need to get even

    William and Kate (you may have heard of them) go walking hand-in-hand around their estate. The walk is 5 kilometrs in length.

    Before starting they record their vital statistics:
    William Kate
    Blood pressure 125 / 78 128 / 80
    Pulse rate 65 bpm 70 bpm
    Respiration rate 12 15
    Height 187cm 165cm
    Weight 85 Kg 70kg
    Length of stride 93cm per step 82cm per step

    The walk takes 1 hour and they then compare their vital statistics against those recorded before the walk.

    William is obviously in great physical condition and there is virtually no change between his starting and ending stats. Only his Pulse rate increased noticeably from 65 to 86 bpm.

    On the other hand Kate is still to regain her pre Ė pregnancy fitness; her stats have changed significantly:
    Before After
    Blood pressure 128 / 80 132/ 85
    Pulse rate 70 bpm 122 bpm
    Respiration rate 15 19
    Height 165cm n/c
    Weight 70kg n/c
    Length of stride 82cm per step 78cm per step

    At the start of the walk Kate was taking 122 steps per 100 meters compared with Willamís 107. During the last 100 meters, Kate took 128 steps - an increase of almost 5% in the number of steps: William took exactly the same number of steps as he took in the first 100 meters. In total, Kate took 6245 steps compared with Wiliamís 5350; almost 17% more steps than William .

    Question 1: What is Williamís average walking speed?

    Question 2: Is Kateís average walking speed Ė
    a. 17% higher than Williamís?
    b. 5% higher than Williamís?
    c. 17% lower than Williamís?
    d. 5% lower than Williamís?
    e. the same as Williamís ?

    This should be easy, so I reckon I am still owed at least 4 minutes

    Bob

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  3. #2
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    Default

    Too simple.

  4. #3
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    Default

    Quote Originally Posted by Oldgreybeard View Post
    I've wasted 5 minutes of my life watching Grumpy John's "80 mph" post (including "Deer Crossing" video) and need to get even

    William and Kate (you may have heard of them) go walking hand-in-hand around their estate. The walk is 5 kilometrs in length.

    Before starting they record their vital statistics:
    William Kate
    Blood pressure 125 / 78 128 / 80
    Pulse rate 65 bpm 70 bpm
    Respiration rate 12 15
    Height 187cm 165cm
    Weight 85 Kg 70kg
    Length of stride 93cm per step 82cm per step

    The walk takes 1 hour and they then compare their vital statistics against those recorded before the walk.

    William is obviously in great physical condition and there is virtually no change between his starting and ending stats. Only his Pulse rate increased noticeably from 65 to 86 bpm.

    On the other hand Kate is still to regain her pre Ė pregnancy fitness; her stats have changed significantly:
    Before After
    Blood pressure 128 / 80 132/ 85
    Pulse rate 70 bpm 122 bpm
    Respiration rate 15 19
    Height 165cm n/c
    Weight 70kg n/c
    Length of stride 82cm per step 78cm per step

    At the start of the walk Kate was taking 122 steps per 100 meters compared with Willamís 107. During the last 100 meters, Kate took 128 steps - an increase of almost 5% in the number of steps: William took exactly the same number of steps as he took in the first 100 meters. In total, Kate took 6245 steps compared with Wiliamís 5350; almost 17% more steps than William .

    Question 1: What is Williamís average walking speed?

    Question 2: Is Kateís average walking speed Ė
    a. 17% higher than Williamís?
    b. 5% higher than Williamís?
    c. 17% lower than Williamís?
    d. 5% lower than Williamís?
    e. the same as Williamís ?

    This should be easy, so I reckon I am still owed at least 4 minutes

    Bob

    stop reading women's magazines!

  5. #4
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    Quote Originally Posted by Kuffy View Post
    stop reading women's magazines!
    Actually I first came across this some years ago in a 1st year university physics lecture (I have updated the names of the people concerned) It was used as an exercise in "seperating the oats from the chaff"- identifying relevant data and the keywords which clarify the question.
    Not sure whether the responses here are a reflection of the intelligence of members of this forum or a statement as to the standard of modern education - From memory the lecturer claimed that almost 40% selected option C as the answer for the second question. He indicated that the extraneous detail was purely to create confusion between speed and energy consumed.

    Bob

  6. #5
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    lol @ 40% of people selecting option C. its like asking what weighs more? a tonne of bricks or a tonne of feathers.

    i still reckon this kind of article will be written in some women's magazine, because i can see it causing an argument between chicks lacking basic logic and confusing the situation using mathematics. and yes, im sure a few calculators will be brought out to "prove" the arguments

  7. #6
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    It is an exercise in 'clear thinking' as it was called in my day.
    Tom

    "It's good enough" is low aim

  8. #7
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    Quote Originally Posted by Chesand View Post
    It is an exercise in 'clear thinking' as it was called in my day.
    I agree.

  9. #8
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    Quote Originally Posted by Oldgreybeard View Post
    I agree.
    I see that we are of similar vintage.
    Tom

    "It's good enough" is low aim

  10. #9
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    In my day it was BSBB.
    Hugh

    Enough is enough, more than enough is too much.

  11. #10
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    Quote Originally Posted by A Duke View Post
    In my day it was BSBB.
    That still applies today.
    Tom

    "It's good enough" is low aim

  12. #11
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    Do not Google it, Google has a dirty mind.
    Work it out for your self , the first B is bull.
    Hugh

    Enough is enough, more than enough is too much.

  13. #12
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    Quote Originally Posted by A Duke View Post
    Do not Google it, Google has a dirty mind.
    Work it out for your self , the first B is bull.
    The cleaner version is BDBB. That should give a clue.
    Tom

    "It's good enough" is low aim

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    I need more information:
    Was George with them, if so did he walk or was he carried?
    Was Charlotte with them, if so what diameter are the wheels on the pram, and how many times do they turn per kilometer?
    To grow old is inevitable.... To grow up is optional

    Confidence, the feeling you have before you fully understand the situation.

    What could possibly go wrong.

  15. #14
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    Quote Originally Posted by Grumpy John View Post
    I need more information:
    Was George with them, if so did he walk or was he carried?
    Was Charlotte with them, if so what diameter are the wheels on the pram, and how many times do they turn per kilometer?
    Give 'im some false clues OGB - he owes 5 minutes to half the forum .
    Regards, FenceFurniture

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    E

    Dave TTC
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