The Hyperloop: speed

The Hyperloop is a hypothetical new fast transport system between cities, which works by launching pods that carry people through a very low air pressure tunnel. The initial primary proposed route is from San Francisco to Los Angeles, a distance of 560 km 560~\mbox{km} . The Hyperloop is hypothesized to cover this distance in half an hour. If it does this at a constant speed, how fast is the speed of the Hyperloop in m/s ?


The answer is 311.11.

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4 solutions

Michael Diao
May 3, 2014

Since the Hyperloop travels 560 k m 1 2 h o u r , 560 \frac{km}{\frac{1}{2} hour}, it must travel at a rate of 560 1 2 k m h o u r . \frac{560}{\frac{1}{2}} \frac{km}{hour}. This means that it travels 1 , 120 , 000 m e t e r s 3600 s e c o n d s , 1,120,000 \frac{meters}{3600 \ seconds}, due to the fact that 1 k m = 1 , 000 1 km = 1,000 meters and 1 1 hour = 3 , 600 3,600 seconds. Thus, dividing out, we get a rate of 2800 9 m e t e r s s e c o n d . \frac{\frac{2800}{9} \ meters}{second}.

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Prasit Sarapee
Feb 29, 2016
v=560000/30/60=311.1 m/s
Ameya Salankar
May 1, 2014

The speed of the hyperloop in k m h 1 kmh^{-1} is:

distance time = 560 1 2 = 1120 k m h 1 \frac{\text{distance}}{\text{time}} = \frac{560}{\frac{1}{2}} = 1120 kmh^{-1} .

To convert speed in k m h 1 kmh^{-1} to m s 1 ms^{-1} , we multiply by a factor of 5 18 \frac{5}{18} .

\Rightarrow Speed of the hyperloop in m s 1 = 1120 × 5 18 = 311.1111 ms^{-1} = 1120 \times \frac{5}{18} = \boxed{311.1111\dots} .

Jubin Das
Nov 16, 2019

S=D/T = 560×10^3/30×60 {convert distance km to m and time 1/2 an hour which means 30mins to secs.} = 311.11 m/s

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