A Girl Throws a Stone from a Bridge

question 34

Multiple Choice

A girl throws a stone from a bridge.Consider the following ways she might throw the stone.The speed of the stone as it leaves her hand is the same in each case.
Case A: Thrown straight up.
Case B: Thrown straight down.
Case C: Thrown out at an angle of 45° above horizontal.
Case D: Thrown straight out horizontally.
In which case will the speed of the stone be greatest when it hits the water below if there is no significant air resistance?

• A)Case A
• B)Case B
• C)Case C
• D)Case D
• E)The speed will be the same in all cases.

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Definitions:

Allowance Factor

A coefficient or multiplier that accounts for expected deviations from standard or nominal conditions, often used in design and engineering to ensure safety or compliance.

Standard Production

The established amount of output that is expected under normal operating conditions within a given time period.

Incentive Plan

A reward system designed to motivate employees by offering bonuses, commissions, or other types of compensation based on performance.

Performance Rating

An evaluation of an individual's or machine's performance, often based on predefined standards.