A wooden boxcar is moving along a straight railroad track at speed `v_1`. A bullet (initial speed `v_2`) is fired at it from a high - powered rifle . The bullet passes through both lengthwise walls of the car , its entrance and exit holes being exactly opposite each other is viewed from within the car . from what direction , relative to the track . is the bullet fired? Assume that the bullet is not deflected upon entering the car, but that its speed decreases by 20%. Take `v_1` 85 km/h and `v_2` 650 m/s. (Why is the width of the boxcar not relevant in this calculation?)

Explanation

To solve the problem, we will follow a systematic approach to determine the angle at which the bullet was fired relative to the track.

### Step-by-Step Solution:

1. **Convert the speed of the boxcar from km/h to m/s:**
\[ v_1 = 85 \text{ km/h} = 85 \times \frac{1000 \text{ m}}{3600 \text{ s}} = \frac{85000}{3600} \approx 23.61 \text{ m/s} \]
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