ON21 P12 Q17 Work Done on Object | Oct/Nov 2021 | Cambridge A Level 9702 Physics
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ON21 P12 Q17 Work Done on Object | Oct/Nov 2021 | Cambridge A Level 9702 Physics
3 658 просмотров · 4 года назад
ETphysics
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3 658 просмотров · 4 года назад
9702/12/O/N/21: An object slides with constant velocity across a horizontal sheet of ice. Friction is negligible. A constant horizontal force of 2.1 N is then applied to the object as shown. A short time after applying the force, the object reaches point X at a displacement of 4.0 m from its position when the force was first applied. What is the work done by the force on the object as it travels to point X?
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