You are going to want to find out how far above the sidewalk Superman is when the Watermelon passes him.
To do this set the equation that shows Superman's displacement (x=vt) equal to the equation for the watermelon's displacement (X=Vit+(1/2)at^2). You can do this because the displacement for...
The normal force is the force exerted perpendicularly from the road on the car. You have to split the force of weight into one force that is pulling the object down the road at 14.4 degrees and one force perpendicular to the road. This image from SparkNotes could help you visualize the forces.
Homework Statement
I am going through past Olympiad qualifying exams as practice for this year's test. I came upon the following problem in the 2008 F=ma and continue to come up with the wrong answer. I keep coming up with C and that is not the answer provided in the answer key.
22. A...