Question

Derive the 3rd equation of motion by graphical method.

Answer 1

Question

Derive the 3rd equation of motion by graphical method.

Answer

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Consider a body moving with initial velocity Vi in a straight Line with uniform accelerction a. its Velecity become Vf after time t .The motion of body is described by speed time graph by line AB.The slope of line AB gives the acceleration a.The total distance covered a body is given by shaded area under the line AB.Equation of motion can be obtained easily from this graph.