A super dart of mass 20 g, traveling at 350 m/s, strikes a s…

A super dart of mass 20 g, traveling at 350 m/s, strikes a steel plate at an angle of 30° with the plane of the plate, as shown in the figure. It bounces off the plate at the same angle but at a speed of 320 m/s. What is the magnitude of the impulse that the plate gives to the bullet?

In the case of a negative shock to aggregate demand, the cen…

In the case of a negative shock to aggregate demand, the central bank should:   a.  decrease the rate of growth of the money supply to control inflation.   b.  increase the rate of growth of the money supply to restore spending growth.   c.  decrease the rate of growth of the price level to keep real growth high.   d.  do nothing.