Which of the following is a vector: a person’s height, the altitude on Mt. Everest, the age of the Earth, the boiling point of water, the cost of this book, the Earth’s population, the acceleration of gravity?

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Leroy Lowery · Accepted Answer

The height of a person can be measured in inches but it does not have any direction. Therefore it is a scalar quantity.The altitude on Mt Everest is expressed in meters and has a fixed magnitude. But the altitude on Mt Everest has no direction. Therefore it is a scalar quantity.The boiling point of water is 100 degree Celsius and has no direction. Therefore it is a scalar quantity.The cost of a book is expressed in Rupees which also does not have a direction. Therefore, it is also a scalar quantity.The population of Earth can either increase or decrease but it does not have any direction. Therefore, it is also a scalar quantity.The acceleration of gravity can be positive or negative depending on its direction. Therefore, it is a vector quantity.

Which of the following is a vector: a person’s height,

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