Friday

April 25, 2014

April 25, 2014

Posted by **mujisen** on Friday, November 2, 2012 at 5:24am.

- physic question -
**Elena**, Saturday, November 3, 2012 at 6:19amkx²/2=mv²/2

v=x•sqrt(k/m)

t=sqrt(2h/g)

s=v•t= x•sqrt(k/m) • sqrt(2h/g) =>

s1= x1•sqrt(k/m) • sqrt(2h/g)

s2= x2•sqrt(k/m) • sqrt(2h/g)

s1/s2=x1/x2

x2=x1•s2/s1 =1.1 (2.15/(2.15-0.23) =1.23 cm

**Related Questions**

math - If your expected value when playing a $1 game of chance is $0.03. How ...

arithmetic sequences - jessie is playing an arcade game that costs 50cents for ...

math - Q: Corbin is playing a board game that requires rolling two number cubes ...

English - 1. He is good at playing billiards. 2. He is good in playing the ...

Please can you help me (Probability) - Maria is playing a game of chance at the ...

math - there are 12 men on a basketball team, and in a game 5 of them play at ...

Math 142 - 800 hundred chances are sold at $2 apiece for a raffle. There is a ...

Math - Maria is playing a game of chance at the Hibiscus festival, costing $1 ...

math - If your expected value when playing a $1 game of chance is -$0.06. How ...

ece - It is likely that a preschooler who learns to read early: A) will watch a ...