Q.3 A particle is moving in a circular path of radius r. The displacement after half a circle would be: Q.4 Weeds affect the crop plants by:-
Understand the Problem
The image contains two questions, Q.3 is asking about the displacement of a particle moving in a circular path after completing half a circle, and Q.4 is asking how weeds affect crop plants.
Answer
Q.3: 2r Q.4: All of the above
Q.3: (c) 2r Q.4: (d) All of the above
Answer for screen readers
Q.3: (c) 2r Q.4: (d) All of the above
More Information
The displacement after half a circle is equal to the diameter (2r). Weeds affect crops by competing for resources, dominating growth and killing plants.
Tips
Displacement is the shortest distance between two points, not the total path traveled. Weeds impact crops in multiple ways, thus 'all of the above' is the most comprehensive answer.
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