River Crossing Problem Level 3
River Crossing Problem
In this problem you will launch a toy boat across a river. You job is to calculate the launch angle relative to the positive x-axis that will land your boat directly across the river from where you started. This angle should be greater than 90°.

Click the End button when you are ready to submit your guess.

When you are ready to start the lab, click on the begin button
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Based on the speed of the river, the speed of your boat relative to the water, and the distance across the river, determine the angle you need to launch your boat at so that the boat goes directly across the river.
Enter Your Name and Angle Below to Check Your Work
Angle from +x-axis (°):