Can somebody solve this equation for me please?

Physics
Tutor: None Selected Time limit: 1 Day

A car moving at 10.0 m/s encounters a bump that has a circular cross-section with a radius of 30.0 m. What is the normal force exerted by the seat of the car on a 60.0-kg passenger when the car is at the top of the bump? 

Jun 7th, 2015

Thank you for the opportunity to help you with your question!

The forces acting on the car at the highest point of the bump are its weight downward and normal force up. There has to be a net force downward force to keep the car moving over the bump. 

mass = 60 kg 
speed = 10 m/s 
force by the seat = Fseat 

mv^2/R = N - mg 
N = m(g + v^2/R) = (60)(9.8 + (10)^2/30) = Answer

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 7th, 2015

sorry you didn't give me the answer

Jun 7th, 2015

792.8 N

Jun 7th, 2015

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