4. A particle starts from rest at x = -2 m and moves along the x-axis with the velocity history shown. Piot the corresponding acceleration and the displacement histories for the 2 seconds. Find the timet when the particle crosses the origin.

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A:

Q: 2. Analysis of Pendulum Motion a) The simple pendulum shown has a mass of 45g attached to a thread…

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A: Figure is as shown

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A: Given :

Graphical Methods

The graphical method is a method of solving equations involving more than one variable using the Cartesian coordinate system. In civil engineering, the use of the graphical method is limited to the problems involving two variables. The graphical method has a great impact in solving the questions regarding engineering mechanics.