Recent content by hairetikos

My calculator was in radians. I feel like an idiot, thank you so much. Going to give steps in case anyone needs to use this thread in the future: for angular momentum of the clay, I used p⋅r⋅sin(θ). p=m⋅v, or 0.36⋅-2=0.72 r⋅sin(θ) is the component of r in the direction perpendicular to p. In...

Homework Statement A device consists of eight balls each of mass 0.6kg attached to the ends of low-mass spokes of length 2.1m, so that the radius of rotation of the balls is 1.05m. The device is mounted in the vertical plane. The axle is held up by supports that are not shown, and the wheel is...

Work is done in joules. Joules can be written as kg * m2 /s2. So I could separate that into N*s * m/s or momentum times velocity, right? That gets me closer to the velocity I think.

Well, W=F*d. Since the distance is equal for both boxes, but the force is doubled for the second box, the work must also be doubled. But I guess I'm not understanding what this has to do with their velocities. Can you point me in the right direction?

Homework Statement Starting from rest, two identical boxes are pushed through the same distance. Box A experiences a force F, while box B experience a force 2F. What is true about their final speeds?- The final speed of box A is twice that of box B. - The final speed of box A is equal to that...