A small 1.05 g plastic ball that has a charge q = 1.75 C is suspended by a string that has a length L = 1.00 m in a uniform electric field, as shown in the figure. | If the ball is in equilibrium when the string makes a 0 = 9.80° | L angle with the vertical, what is the electric field strength E? E = N/C

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A: the formula used to find the radius of curvature is  K=|y''|1+y'23/2                       (1)R=1K

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A: Curvature K = |r' x r"|/|r'|^3

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A: Here, we use the magnetic field formula due to solenoid to get the solution.

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A: use arc length formula for finding it.

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A: Given,

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Q: Q: Prove that the arc lenfth af Curve y = log secx from to n- 3 is Use formula Note I+ ( dn.

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A: Given that: r=cos3θand  0≤θ≤π

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Q: Please solve

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A: Solve the following

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Q: The arc length of the curve r= cos 30 with 0<0 ST is I V-9(sin 30)² + (cos 30)² d0 0. I V(sin 30)² +…

A: