Charge density inside the sphere of radius 'R' is given by p= kr. Find the energy stored in the system? BIUGABE

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A: Free body diagram:

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Q: 2. Solve the force acting on the 8 KN block if it is in equilibrium. 38⁰ 58⁰ P

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Q: 13. What is the percent error if the true value is 149 grams?

A: ERROR is defined as the actual difference between the true value & experimental value.