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Old 07-18-2016, 01:32 PM   #161
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So if a plane is on a giant conveyor belt.....
Oh no!!! (Running away!! )

I'm actually on an airplane pilot forum, and we've had some fun with that one!!

(Spoiler alert.. the airplane will take off!! )
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Old 07-18-2016, 01:34 PM   #162
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If an airplane is going 200 mph and a fly inside the airplane flies from back to front at 2 mph, how fast is the fly really going?

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Old 07-18-2016, 01:38 PM   #163
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Originally Posted by Evereddie View Post
So if a plane is on a giant conveyor belt.....
Gear up or down and is there a cross wind?
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Old 07-18-2016, 01:51 PM   #164
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win,
The puzzles are different. The one you posted shows a multiplication of a sum on the last line.
Each line establishes value.
Line 1- Apples = 10 each x 3 =30
Line 2- 1 apple + 2 banana bunches=4 each=8 + 10=18
Line 3- 1 bunch of bananas=4 minus 2 coconut halves=1 each=2
Line 4- 1 coconut halve=1 + 1 apple=10=11 X (times) half a bunch of bananas,yes folks that is a smaller bunch and appears to half of the previous pictures. Half =2
Answer (for wins puzzle) is 22.
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Old 07-18-2016, 02:24 PM   #165
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Originally Posted by Evereddie View Post
Herk's original question has nothing to do with time. Time is not in the question. No where is 2 minutes mentioned. What am I missing?

Quote:On another note...

If you go half way around a circular track averaging 30MPH, how fast do you have to travel on the second half of the track to average 60MPH for the entire track?

(Your choice of vehicle can effect your answer) .
You are going to say the obvious answer is 90 mph
[ (30 mph + 90 mph) / 2 = 60 mph ] and you are saying it has nothing to do with time, but it does. Look at it this way:

Same 2 mile track
1st mile (half-way around) at 30 mph (1/2 mile per minute) takes you 2 minutes. 2nd mile (the other half of the track) is at 90 mph, (equals 1.5 miles per minute, or 1 mile every 40 seconds). So, now you have completed a circle of the two mile track in 2 minutes and 40 seconds (2 miles in 160 seconds, or 1 mile in 80 seconds, or 1 mile in 1.33 minutes, which is an average speed of 45 mph. But your goal was to average 60 mph.)

Same 2 mile track
1st mile (half-way around) at 30 mph (1/2 mile per minute) takes you 2 minutes. 2nd mile (the other half of the track) is at 120 mph, (equals 2 miles per minute, or 1 mile every 30 seconds). So, now you have completed a circle of the two mile track in 2 minutes and 30 seconds (2 miles in 150 seconds, or 1 mile in 75 seconds, or 1 mile in 1.25 minutes, which is an average speed of 48 mph.) But your goal was to average 60 mph.)

So, it does have to do with time as much as with speed, and I still contend that it can't be done, unless you have a theoretical vehicle that can do the second half of the track in NO time.
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Old 07-18-2016, 02:27 PM   #166
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I had to break out pen and paper and scribble a bunch of equations, but I agree with that now.
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Old 07-18-2016, 02:45 PM   #167
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Good question. Answer- (10x4) + 2 = 42
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Old 07-18-2016, 02:56 PM   #168
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I had to zoom in to find that there are 3 bananas (3). So, 10 (one apple) + 1 (half a coconut) x 3 (three bananas) = 33
If those were drinks, I bet we would have done better??? If I'm wrong, it won't be the first time.
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Old 07-18-2016, 02:56 PM   #169
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Good question. Answer- (10x4) + 2 = 42
the banana bunch only has 3 (bananas) and that is only 1 (half coconut)
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Old 07-18-2016, 03:00 PM   #170
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