At its tallest point a rollercoaster lifts participants to a height of 115 m. The combined mass of a fully loaded coaster train with participants that each weigh 100kg is a total of 4,500 kg. Calculate the gravitational potential energy of the coaster train and its riders relative to the ground using the formula U9= mgh. Assume the acceleration due to gravity on Earth g= 10 m/s/s. 115,000 J
51,750,000 J
1,150,000 J
5,175,000 J

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i think the answer is a and b

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the following is queen elizabeth’s purposes:

- to encourage the parliament that the technique of picking successors to the seat based merely on birthright needs to be reviewed.

- (not) to convince the parliament that her kid should not be measured as a likely choice for heir to the english power.

- to persuade the parliament that merely since she has a child does not assure that the kid will be a capable leader.

- to sway the parliament how shattering it could be if they proceeded discourteously concerning her or her child.