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wrong forum.

I'd like to see how it does in rush hour.

I'd like to see how it does in rush hour.

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13,893 Posts

Let's find out ... :toothless

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Hey, I got a little tid bit of info that I bet not many of you know. If a tank is traveling down the road at 40 MPH, how fast is the track traveling?

If it is on the top, it is traveling at 40 MPH, if it is on the bottom, it is traveling at 0 MPH...think about it.

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:repost: ...But worth it

:twak NO.....bad!:twakwaltman said:If a tank is traveling down the road at 40 MPH, how fast is the track traveling?

If it is on the top, it is traveling at 40 MPH, if it is on the bottom, it is traveling at 0 MPH...think about it.

The speed of the top of the track will be twice of the vehicle speed. The average speed of the rotating mass must be the same as the vehicle speed.

Come on man, that's day one stuff.:toothless

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How do you figure???????????Potamus said::twak NO.....bad!:twak

The speed of the top of the track will be twice of the vehicle speed. The average speed of the rotating mass must be the same as the vehicle speed.

Come on man, that's day one stuff.:toothless

The top of the track is moving exactly the same speed as the tank. I think you should spend less time multiplying and dividing letters and spend a little more time with actual numbers. Either that or get a refund on your tuition.

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With the Tank @40mph, the botom track is not moving in relation the the ground. The top track would be moving at 80mph in relation to the ground. (40mph to the tank)waltman said:How do you figure???????????

The top of the track is moving exactly the same speed as the tank. I think you should spend less time multiplying and dividing letters and spend a little more time with actual numbers. Either that or get a refund on your tuition.

If the top track was moving @ 40mph, (The same speed as the tank) then its movement relitive to the tank would be 0mph.

There for, for the tank to be movin @ 40mph, and the top track moving @ 40mph (0 relitive to the tank), you would be draging the bottom track, @ 40mph

Apparently, you didn't spend anything on tuition.:goodfingewaltman said:How do you figure???????????

The top of the track is moving exactly the same speed as the tank. I think you should spend less time multiplying and dividing letters and spend a little more time with actual numbers. Either that or get a refund on your tuition.

Potamus

:stupid

Just giving ya some $hit.

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x − x0 = v0Δt + ½ aΔt2 ← Δt = v − v0

a

x − x0 = v0 ( v − v0 ) + 1 a ( v − v0 )2

a 2 a

x − x0 = vv0 − v02 + v2 − 2vv0 + v02

a 2a

2a(x − x0) = (2vv0 − 2v02) + (v2 − 2vv0 + v02)

2a(x − x0) = v2 − v02

v2 = v02 + 2a(x − x0) (3)

Here is the formula.

If you still don't believe me than look at the video again

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:stupid top of track moves 80 bottom is stopped....just takes a little bit of mechanical apptitude... and less durrrrGacknar said:With the Tank @40mph, the botom track is not moving in relation the the ground. The top track would be moving at 80mph in relation to the ground. (40mph to the tank)

If the top track was moving @ 40mph, (The same speed as the tank) then its movement relitive to the tank would be 0mph.

There for, for the tank to be movin @ 40mph, and the top track moving @ 40mph (0 relitive to the tank), you would be draging the bottom track, @ 40mph

Think of it this way, the track moving forward is going 40MPH (+40)faster than the vehicle, while the track moving "backwards" is going 40MPH (-40) slower.

Edit: That equation didn't format so well.

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was better than waltman's equation:toothlesshmthesing said:Edit: That equation didn't format so well.

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I looked at the video again.waltman said:If you still don't believe me than look at the video again

Guess what?

I'm right, your wrong.

Learn from me, don't hate the playa, hate the game!:toothless

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:histerica :histericabigbroncojeff said:was better than waltman's equation:toothless

I just picked that formula out of a hat while trying to find a websight that explained it one way or another. I figured it would throw some of you off while I looked up a sight, but I've had no luck. I watched a program on this years ago...

I'm going to do my best to back up what I said.

If the tank is moving at 40 MPH, relative to the ground along a straight line than the track which is rolling parralel to the ground has to be going the same speed along the straight line. I've tried to wrap my mind around this 80 MPH and I can't do it.

How about this. Let's say there are 400 treads on a track, while tread # 1 is on the ground, tread #200( for sake of arguement is exactly opposite tread #1) is moving 40 MPH relative to that sataionary track.

Just as the tank is moving past a fixed point on the ground at 40 MPH, so is track #200 moving past a fixed point (track #1) at the same speed.

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Keep dreaming.waltman said:I'm right you are all wrong.

If the top track moved the same speed as the tank the bottom track would to.

Becouse the track would be stopped.

Any time a tracked vehichle moves the top of the track moves in that direction 2x as fast.

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