A Stone Is Thrown with an Initial Speed of 15 $\degree$

question 74

Multiple Choice

A stone is thrown with an initial speed of 15 m/s at an angle of 53 $\degree$ above the horizontal from the top of a 35 m building.If g = 9.8 m/s² and air resistance is negligible,what is the magnitude of the horizontal displacement of the rock?

• A)38 m
• B)46 m
• C)66 m
• D)90 m

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Expected Utility

A concept in economics and decision theory that represents the average of all possible outcomes under uncertainty, weighted by their respective probabilities and the utility or satisfaction each outcome provides.

Marginal Utility

The additional satisfaction or benefit a consumer gains from consuming one more unit of a good or service.

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Insurance coverage that provides income support to individuals who are unable to work due to disability.

Expected Utility

A theory in economics that quantifies how choices are made under uncertainty based on the perceived utility or satisfaction from different outcomes.