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]
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...
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...
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) =...