In the figure, a 0.24-kg ball is suspended from a very light string 9.79 m long and is pulled slightly to the left. As the ball swings without friction through the lowest part of its motion it
encounters an ideal massless spring attached to the wall. The spring pushes against the ball and
eventually the ball is returned to its original starting position. Find the time for one complete
cycle of this motion if the spring constant of the spring is 21 N/m. (Assume that once the
pendulum ball hits the spring there is no effect due to the vertical movement of the ball.)

Aloop of wire is in a magnetic field such that its axis is parallel with the field direction. which of the following would result in an induced emf in the loop? choose all that apply. a loop of wire is in a magnetic field such that its axis is parallel with the field direction. which of the following would result in an induced emf in the loop? choose all that apply. moving the loop outside of the magnetic field region. spin the loop such that its axis does not consistently line up with the magnetic field direction. change the magnitude of the magnetic field. change the diameter of the loop

Should we celebrate the voyages of zheng he mini q answer key

When a pendulum is held high and taut and then is released, the pendulum begins to swing. what’s the correct order of the energy transformations in this example? (pe stands for potential energy.)