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A Stone Is Thrown at an Angle of 30 °\degree Above the Horizontal from the Top Edge of a Cliff

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A stone is thrown at an angle of 30 °\degree above the horizontal from the top edge of a cliff with an initial speed of 12 m/s.A stop watch measures the stone's trajectory time from top of cliff to bottom to be 5.6 s.What is the height of the cliff? (g = 9.8 m/s2 and air resistance is negligible)


Definitions:

PHStat

An Excel-based software utility that performs statistical analysis, designed as an add-in for Microsoft Excel.

Covariance

A measure indicating the direction of the linear relationship between two variables, whether they tend to move together or in opposite directions.

Two Assets

Refers to any two types of financial instruments or resources owned by individuals or businesses, such as stocks, bonds, or real estate properties.

Overall Risk

The total exposure to loss or potential for unfavorable outcomes in an investment or decision, encompassing various types of risk factors.

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