How Does Raindrop Angle and Speed Change with Car Direction?

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SUMMARY

The discussion centers on determining the speed and angle of raindrops relative to the ground based on observations made while driving. When driving north at 25 m/s, the rain appears at a 38-degree angle from the vertical. Conversely, when driving south at the same speed, the rain appears to fall vertically. The calculations reveal that the speed of the raindrops relative to the ground is approximately 25 m/s, and the angle of the raindrops relative to the ground is 38 degrees when considering the initial observation.

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can someone help me with this problem? I am not sure where to start from.
if someone can give me some advice.

While driving north at 25 m/s during a rainstorm you notice that the rain makes an angle of 38 with the vertical. While driving back home moments later at the same speed but in the opposite direction, you see that the rain is falling straight down.

Q) From these observations, determine the speed of the raindrops relative to the ground.

Q)From these observations, determine the angle of the raindrops relative to the ground.
 
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