student must determine a nonzero change in momentum of an object for a specific interval of time. Which of the following experiments could the student conduct? Select two answers.     Answer A: Drop a ball of known mass above a motion detector, and record the final speed of the ball before it reaches the motion sensor.   Answer B: Drop a coffee filter of known mass from a known height above a motion sensor, and record the terminal speed of the coffee filter as it falls

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A student must determine a nonzero change in momentum of an object for a specific interval of time. Which of the following experiments could the student conduct? Select two answers.

 

 

Answer A: Drop a ball of known mass above a motion detector, and record the final speed of the ball before it reaches the motion sensor.
 
Answer B: Drop a coffee filter of known mass from a known height above a motion sensor, and record the terminal speed of the coffee filter as it falls.
 
Answer C: Pull a block of known mass across a rough surface with a spring such that the block travels at a constant speed for 5 seconds as measured by a stopwatch. Record the force necessary to pull the block at a constant speed.
 

Answer D: Give a block of known mass an initial velocity so that it slides across a rough surface in front of a motion detector, slows down, and eventually stops. Use the motion detector to record the initial velocity of the block.

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