A bullet 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. bounces off the plate at the same angle but at a speed of 320 m/s . The time of interaction between the bullet and the plate is 0.18 ms. What is the average force (magnitude and direction) that the plate exerts on the bullet? Ignore the gravity.

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