Find v, the speed of the string after it has been pulled by F⃗ over a distance d. Express the speed of the string in terms of F, d, k, and m; do not include α, ω, or Iw in your answer.

What property of an object determines its inertia?

Consider a uniformly charged ring in the xy plane, centered at the origin. the ring has radius a and positive charge qdistributed evenly along its circumference. a)what is the direction of the electric field at any point on the z axis? . b)what is the magnitude of the electric field along the positive z axis? use k in your answer, where k=14πϵ0. d)the ball will oscillate along the z axis between z=d and z=−d in simple harmonic motion. what will be the angular frequency ω of these oscillations? use the approximation d≪a to simplify your calculation; that is, assume that d2+a2≈a2. express your answer in terms of given charges, dimensions, and constants

What structural formula represents 4 electrons shared between two atoms?