A 200g block is attached to on end of a 40cm long massless rod. The rod rotates about a frictionless pivot at the other end. the block starts from rest and experiences a constant torque of 0.05Nm. how long does it take to complete 10 revolutions?

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.

Write a brief essay describing the minimum requirements for any electric circuit. within your essay,

The compound hcl is an example of a(n) (2 points) covalent compound ionic compound element salt