Gardening Brochures
Please help me with a question on energy?
Two of the world’s biggest roller-coasters are Apollo’s Chariot in Busch Gardens, USA, and The Big One in Blackpool, England. The principle of all roller-coasters is that gravitational potential energy possessed by the vehicle at the top of a track is converted into kinetic energy at the bottom.
In Apollo’s Chariot the vehicle drops a vertical distance of 64 m from rest.
show that the expected speed of the vehicle at the bottom of the track is about 35 m s ^-1
State one assumption you have made in this calculation.
The Busch Gardens brochure states that the speed of Apollo’s Chariot at the bottom is in fact 32.5 m s ^-1.
Calculate the efficiency of this energy conversion as the vehicle runs down the track.
Thank you!!!
v^2-u^2=2as
u=0
so,v=(2*9.8*64)^1/2
v=35.41
assumption is that a=g=9.8
efficiency=32.5/35.41=.9178 or 91.78%
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