haird

This page lists questions and answers that were posted by visitors named haird.

Questions

The following questions were asked by visitors named haird.

Answers

The following answers were posted by visitors named haird.

Grav PE of the adult = mgh = 2X10^3 J 81gh = 2X10^3 J gh = 2X10^3 / 81 Child's grav PE = mgh = 18 x 2x10^3 /81 = 444.4J
15 years ago