Joey Fourier

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

Questions

The following questions were asked by visitors named Joey Fourier.

Answers

The following answers were posted by visitors named Joey Fourier.

pbefore=pafter m1v1+m2v2 = m1v’1+m2v’2 (3.1kg)(0m/s)+(0.015kg)(0m/s) = (3.1kg)( v’1)+(0.015kg)(500.m/s) 0kg∙m/s=(3.1kg)( v’1)+7.5kg∙m/s -7.5kg∙m/s=(3.1kg)( v’1) v’1=-2.4m/s (its speed is 2.4 m/s)