Bobseld Run: Frictionless Downhill Track | 210 kg Mass

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In summary, the bobsled run sketched in the figure above has negligible friction between points A and D and a coefficient of kinetic friction of µk = 0.4 between points D and E. The bobsled, with a mass of 210 kg and starting from rest at point A, will come to a halt at a distance x beyond point D. Equations are needed to find this distance.
  • #1
wolly6973
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A bobsled run leads down a hill as sketched in the figure above. Between points A and D, friction is negligible. Between points D and E at the end of the run, the coefficient of kinetic friction is µk = 0.4. The mass of the bobsled with drivers is 210 kg and it starts from rest at point A.

I have no idea on this one. Could someone help me with the equations please!
 

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  • #2
wolly6973 said:
A bobsled run leads down a hill as sketched in the figure above. Between points A and D, friction is negligible. Between points D and E at the end of the run, the coefficient of kinetic friction is µk = 0.4. The mass of the bobsled with drivers is 210 kg and it starts from rest at point A.

I have no idea on this one. Could someone help me with the equations please!

what are you supposed to do??
 
  • #3
Sorry.
Find the distance x beyond point D at which the bobsled will come to a halt.
 

FAQ: Bobseld Run: Frictionless Downhill Track | 210 kg Mass

1. How does a frictionless track affect the speed of the bobsled?

A frictionless track allows the bobsled to maintain a constant speed without any resistance slowing it down. This means that the bobsled can reach higher speeds and maintain them throughout the entire run.

2. What is the significance of the 210 kg mass in this scenario?

The 210 kg mass represents the total weight of the bobsled and its riders. This weight affects the acceleration and velocity of the bobsled as it travels down the track.

3. How does the lack of friction affect the control of the bobsled?

Without friction, the bobsled will have less grip on the track, making it more difficult to steer and control. The bobsled may slide or drift more easily, requiring precise movements and adjustments from the riders to maintain control.

4. What other factors can affect the performance of a bobsled on a frictionless track?

The shape and design of the bobsled, as well as the skill and technique of the riders, can greatly impact the performance on a frictionless track. The temperature and conditions of the track can also play a role in how the bobsled glides down the track.

5. How does a frictionless track compare to a track with friction in terms of speed and performance?

A frictionless track allows for higher speeds and less resistance, resulting in faster times and potentially better performance. However, a track with friction allows for more control and stability, which can be beneficial in certain situations and for certain teams. Both types of tracks have their own advantages and disadvantages, and the performance will ultimately depend on various factors.

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