Ask a New Question
Search
Questions and answers by
Joey Fourier
Answers (1)
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)
