Recent content by Ceesa

Extensive googling has revealed that the instructor accidentally left off a sentence at the end of the question, therefore there wasn't enough information in the problem to solve it. Case closed.

I understand how you're approaching this question from a conceptual standpoint, but the way the question is worded makes it sound like it's looking for a numerical answer, and I'm not sure how to arrive there. I had another thought -- perhaps this question requires some knowledge of how...

When it comes to assigning +/-, you have to be consistent, as others have said. For example, if you want "down the ramp" to be the positive direction, then every vector pointing down the ramp has to be positive. If you haven't yet, make a force diagram. Any arrows facing the same way need to...

Homework Statement A Verdant Power water turbine (a “windmill” in water) turns in the East River near New York City. Its propeller is 2.5 m in radius and spins at 32 rpm when in water that is moving at 2.0 m/s. The rotational inertia of the propeller is approximately 3.0 kg∙m^2. Determine...