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Questions
Questions
Multiple choice

Question at position 1  In this lab, you will directly measure physical quantities to deduce a ball's launch speed. Which physical quantities will you directly measure? Select all choices that are true. The ball's launch velocityThe maximum angle the pendulum swings outThe maximum height that the pendulum reaches above the tableThe total mass of the spring launcherThe mass of the ballThe acceleration due to gravityThe range of the ballThe distance between the motion sensor and the spring launcherThe time it takes the ball to transit the two photogatesI will not measure any of the quantities listed above directly.

Options
A.The ball's launch velocity
B.The maximum angle the pendulum swings out
C.The maximum height that the pendulum reaches above the table
D.The total mass of the spring launcher
E.The mass of the ball
F.The acceleration due to gravity
G.The range of the ball
H.The distance between the motion sensor and the spring launcher
I.The time it takes the ball to transit the two photogates
J.I will not measure any of the quantities listed above directly.
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Standard Answer
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Approach Analysis
To tackle this question, let’s list the items and evaluate whether each would be directly measured in the described lab setup. Option 1: The ball's launch velocity. If you are directly measuring quantities, the launch velocity is not typically measured directly; it is usually inferred from other measurements (like time or range) rather than being read off a instrument directly at launch. So this is not a directly measured quantity here. Option 2: The maximum angle the pendulum swings out. In a pendulum-based launcher, the maximum angular displacement is commonly measured with a protractor or angular sensor, making it a quantity ......Login to view full explanation

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