Students perform an activity whose purpose is to determine the mass of an object. They spin a disc on a frictionless axle hooked up to a rotational motion sensor–after some amount of time, they drop the object on to the disc. The object collides with and sticks to the disc as a result of the collision. Data follows. What is the most accurate approximation of the object’s mass? (A)About 200 grams (B)About 500 grams (C)About 700 grams (D)About 900 grams
Students perform an activity whose purpose is to determine the mass of an object. They spin a disc on a frictionless axle hooked up to a rotational motion sensor–after some amount of time, they drop the object on to the disc. The object collides with and sticks to the disc as a result of the collision. Data follows. What is the most accurate approximation of the object’s mass? (A)About 200 grams (B)About 500 grams (C)About 700 grams (D)About 900 grams
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Students perform an activity whose purpose is to determine the mass of an object. They spin a disc on a frictionless axle hooked up to a rotational motion sensor–after some amount of time, they drop the object on to the
disc. The object collides with and sticks to the disc as a result of the collision. Data follows.
What is the most accurate approximation of the object’s mass?
(A)About 200 grams
(B)About 500 grams
(C)About 700 grams
(D)About 900 grams
Transcribed Image Text:Object Distance to
Axis of Rotation Equals
0.60 meters
Dropped Object
Mass of Spinning Disc = 800 grams (0.8 kg)
Radius of Spinning Disc = 1.0 meters
Angular Velocity vs. Time
10-
2
0-
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Time (s)
Angular
Velocity
(spes)
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