Question

In: Chemistry

On the Supreme Scream ride at Knott's Berry Farm, riders are lifted to a height of...

On the Supreme Scream ride at Knott's Berry Farm, riders are lifted to a height of 300 ft and then dropped. If there are 6 riders with an average weight of 140 lbs each, how much energy is needed to lift them to the top?

Solutions

Expert Solution

Energy needed = mass of 6 riders x vertical distance

                      = (6 x 140 lbs) x 300 ft

                      = 252000 lb.ft

                     = 252000 x 1.355 J                                [ 1 lb.ft (or) 1 foot-pound = 1.355 J]

                     = 341460 J

Therefore,

341460 J needed to lift 6 riders to the top.

queen_honey_blossom answered 2 years ago
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