A roller coaster car travels with a speed of 2.29 m/s at point A, located 19.7 m above the ground. Calculate how fast the roller coaster is moving when it reaches point D, 10.7 m below point A. Assume the roller coaster is ideal and loses no energy to friction. B

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Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.