Question

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A car on a roller coaster is stationary at the top of a slope. it has weight 6500 N and a potential energy of 217000 J. Calculate how high above the ground is?

Answer 1

Answer:

The total mechanical energy is approximately 353 000 Joules at each point along the track.

NOTE: rounding of numbers may account for small differences from point to point.)

A final feature of the above animation is the use of work-energy bar charts. Work-energy bar charts are a conceptual tool which depict the amount of each form of energy possessed by an object as it an undergoes a particular motion. The work-energy bar charts for the coaster car illustrate that the car's energy is transformed from potential to kinetic and vice versa; yet the total amount of mechanical energy remains the same during the course of the motion.

Explanation:

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Answer 2

Answer:

P.E=mgh

w=mg

P.E=wh

h=p.E/W

h=217000/6500

h=33.38 m