Search results

1. Ballistic Pendulum and Arrow

So, I need to find the velocities of two arrows but I don't know what formulas to use. Can anyone point me in the right direction? http://img247.imageshack.us/img247/9376/okjen2.jpg [Broken]
2. Force, distance, and a constant

Homework Statement As an exercise, a woman pulls on both sides of a stiff spring to work on her chest muscles. The spring stretches 7.2 cm when she pulls on it with a force of 111 N. She then makes a greater effort and stretches the spring 17 cm. a. Write an equation relating the force, F...
3. Width measurements and conversions

Homework Statement a. How wide is the gap between tiles in centimeters? b. How wide is the gap in inches c. How many algae-thicknesses is the gap between tiles Homework Equations The Attempt at a Solution First off, I just want to know if I did a and b correctly. To set up...
4. Need to make sure I am doing these problems correctly.

Measurement problems: Mass, weight, unit conversion Homework Statement Homework Equations 1 galbitter = 3.831 Kg 1 galpure = 3.785 1 gal = 8 pints 1 lb = 0.4535 Kg 1 lb = 16 ounces The Attempt at a Solution So, for a I took 1 galbitter= (3.831Kg/1gal) x (1lb/0.4535Kg) =...