Peter's SUV has a fuel efficiency rating of 11.8 L /100 km. How much fuel would his SUV use on a 450 km trip? A) 43.1 Litres B) 53.1 Litres C) 33.1 Litres  D) 63.1 Litres  E) 23.1 Litres

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A: By analyzing the given options we will answer the question.

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Q: D.) PA. E.) PA V

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Q: Find the gravitational potential energy of a light that a mass of 4.2kg and is 2 m above the ground.

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!