Friday

August 1, 2014

August 1, 2014

Posted by **Shin** on Wednesday, June 26, 2013 at 9:23am.

- Math (Combinatorics) -
**lin**, Wednesday, June 26, 2013 at 9:56am16

- Math (Combinatorics) -
**lin**, Wednesday, June 26, 2013 at 9:56amTwo thin and identical steel rods move with equal speeds v=1 m/s in opposite directions and collide longitudinally.The collision is perfectly elastic and the rods swap their velocities. How long does the collision last in seconds if the length of the rods is l=30 cm. Assume that the speed of sound in the steel rods is c=5000 m/s?

**Related Questions**

math - every summer, each student organization at your school sends 2 students ...

math - Fewer than 107 girls attend a basketball camp. A total of 180 children ...

statistics - 2. Why is it important to know the mean and standard deviation for ...

4th grade math - I don't know how to go about solving this problem: There were ...

Math - There were 93 students going to a nature camp. After equal groups of ...

math - there were 93 students going to a nature camp. after equal groups of ...

4th grade - The 93 nature camp students ate lunch at the lodge. They sat at an ...

Physics - A mountain-climbing expedition establishes two intermediate camps, ...

Math - the nature camp students are lunch at the lodge. They sat at an even ...

Physics 1 - A mountain-climbing expedition establishes two intermediate camps, ...