# Problem: A 6 kg steel ball strikes a wall with a speed of 11.2 m/s at an angle of 50.5° with the normal to the wall. It bounces off with the same speed and angle, as shown in the figure. If the ball is in contact with the wall for 0.219 s, what is the magnitude of the average force exerted on the ball by the wall?1. 366.422. 239.5713. 170.7364. 390.365. 1456.096. 136.0937. 226.8328. 287.429. 335.95510. 714.377

###### Problem Details

A 6 kg steel ball strikes a wall with a speed of 11.2 m/s at an angle of 50.5° with the normal to the wall. It bounces off with the same speed and angle, as shown in the figure. If the ball is in contact with the wall for 0.219 s, what is the magnitude of the average force exerted on the ball by the wall?

1. 366.42

2. 239.571

3. 170.736

4. 390.36

5. 1456.09

6. 136.093

7. 226.832

8. 287.42

9. 335.955

10. 714.377

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Momentum & Impulse in 2D concept. You can view video lessons to learn Momentum & Impulse in 2D. Or if you need more Momentum & Impulse in 2D practice, you can also practice Momentum & Impulse in 2D practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Juan took 5 minutes and 39 seconds to solve this problem. You can follow their steps in the video explanation above.