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Mathematics
Geometry or Trigonometry
Linear equations or Proportions
A train in the mountains rises 10ft for every 250ft it moves along the track. Find the elevation of the track.
1 answer
87.70 degress
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A train on one track moves in the same direction as a second train on the adjacent track. The first train, which is ahead of the
Top answer:
F = ((V + Vr) / (V + Vs)) * Fo. F=((343 + Vr) / (343 + 31.3)) * 124=136 F = ((343 + Vr) / 374.3)) *
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2 A train moves at a constant speed down a straight track. Which of the following scientific explanations is true?
* The forces
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The forces of the train's engine balance the force of friction opposing it
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A train moves along a straight track towards a road crossing with a speed of 85.0 km/hr. At the moment the front car of the
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avg speed=(14+85)/2 km/hr=13.6 m/s time= distance/velocity=600/13.6 seconds
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A train moves along a straight track towards a road crossing with a speed of 85.0 km/hr. At the moment the front car of the
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see other post.
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A train travels uphill at a 12 degree angle. The train rises 150 from the bottom to the top of the hilL. about how long is the
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Rise = horizontal distance * tan(θ) Now Rise = 150 m (or the proper unit) angle, θ = 12° Solve
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1)A toy train is initially at rest on a track fastened to a bicycle wheel, which is free to rotate. How does the wheel respond
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counterclockwise, clockwise, no
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Some how TRAIN A travelling at 36 m/s, is accidentally sidetracked onto the train track for TRAIN A. The TRAIN A engineer spots
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Sorry Train A is sidetracked onto Train B's train track, which is 100 m ahead of Train A
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A track is mounted on a large wheel that is free to turn with negligible friction about a vertical axis. A toy train of mass m =
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To find the angular speed of the wheel, we can use the principle of conservation of angular
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An approaching train produces the RP1 signal (attention signal) at 600 Hz . The train moves with the speed of 120 km/h. What is
Top answer:
Vt=120000m/h = 120000m/3600s = 33.33 m/s Fp = ((Vs+Vp)/(Vs-Vt))*Ft Fp = ((343+0)/(343-33.33))*600 Hz
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An approaching train produces the RP1 signal (attention signal) at 600 Hz . The train moves with the speed of 120 km. What is
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See previous post: 5-5-14, 11:42 AM.
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