# Search results

1. ### Newspaper boat

Homework Statement Newspaper Boat- So I have been thinking about designing a newspaper boat out of pure entertainment. I want to build a boat out of shellack, tape, and newspaper, to maximize speed (to race people in swimming pools). considering i have some amount of these supplies, what...
2. ### Ballistic Pendulum calculation

Oh ok, thanks that website video really helped me, but one last problem: it did not talk about how far the bullet would travel if it were shot horizontally. Like, if it were shot off the table, how far away would it land horizontally? Would I use kinematics? If so, how? I would have the initial...
3. ### Ballistic Pendulum calculation

Homework Statement So does anyone here know a lot about ballistic pendulums? I was just wondering how I could calculate the distance the ball will travel horizontally when shot horizontally, from a table. Homework Equations The Attempt at a Solution I know that first, I have to...
4. ### Center of Mass/Momentum

Edit: I actually got 128 pounds, (little algebraic mistake). So, Juliet weights 128 pounds, is this correct..? Thanks!