1. Two ice skaters, Megan and Jason, push off from each other on frictionless ic

Question

1. Two ice skaters, Megan and Jason, push off from each other on frictionless ice. Jason's mass is twice that of Megan. Which skater experiences an impulse of greater magnitude during the push?
A. Jason
B. Megan
C. They both experience zero impulse
D. They both experience the same (non-zero) impulse

2. A constant net force acts on an object. The speed of the object doubles during the first time interval. During a second time interval the speed of the object doubles again. The net force does the most work on the object during
A. The second time interval
B. The first time interval
C. The net force does the same (non-zero) work during both time intervals
D. The net force does zero work during both time intervals

3. You hold two sheets of paper so they hang vertically downwards. They are parallel and slightly separated from each other so that there is a small gap between them. You will blow air through the gap between the sheets of paper. The two sheets of paper will tend to
A. Move further apart
B. Not move at all
C. Move closer together
D. Not enough information is given
E. Both move to the left

Explanation / Answer

d

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