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**1. What is the acceleration of a skateboard down a ramp inclined at 19.5 degrees to the horizontal?**

3.271 is the answer.

3.271 is the answer.

**2. I know g Sin[tex]\vartheta [/tex] is the equation to get it, but I don't get why it isn't g divided by Sin[tex]\vartheta [/tex]**

**3. In my head I thought the picture was like this:
**

I know this should be something super easy, so please explain. haha