Science | Graded Assignment | Unit Test, Part 2
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Graded Assignment
Unit Test, Part 2
Answer the questions, using complete sentences. When you have finished, submit this assignment to your
teacher by the due date for full credit.
Total score:
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of 25 points
(Score for Question 1:
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of 9 points)
1. A cart moving at 10 m/s is brought to a stop by the force plotted in the force-time graph shown here. Find the
impulse and the approximate mass of the cart. Show all your work.
Answer:
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(Score for Question 2:
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of 10 points)
2. A 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. Find the
momentum change of the rock caused by its fall and the resulting change in the magnitude of earth’s velocity.
Earth’s mass is 6.0  1024 kg .Show all your work, assuming the rock-earth system is closed.
Answer:
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(Score for Question 3:
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of 6 points)
3. Explain why a rapidly spinning gyroscope, mounted in a frame that allows it to rotate in any direction
independently of the frame’s rotation, tends to maintain its axis pointed in the same direction in space.
Answer:
© Stride, Inc. All rights reserved. No reproduction without written consent of Stride, Inc.
Science | Graded Assignment | Unit Test, Part 2
Type your answer here. Click or tap here to enter text.
© Stride, Inc. All rights reserved. No reproduction without written consent of Stride, Inc.