Roisin

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

Questions

The following questions were asked by visitors named Roisin.

A child on a sled is sliding at a speed of 4m/s across level ice. if the total mass of the sled + child is 50kg and the sled has steel runners, how long will it take the sled to come to a halt? what force will be required to start it moving again? If this...
9 years ago

Answers

The following answers were posted by visitors named Roisin.