an observer 70 meters south of a railroad crossing watches an eastbound train traveling at 60 m per sec. at how many meters per second is the train moving away from the observer 4 sec after it passes through the intersection
1
Expert's answer
2012-04-13T07:21:42-0400
we have right-angled triangle with sides 70 m and 60*4=240 m. the speed is sqrt(70^2+240^2)/4=62,5 m/sec
Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…
APPROVED BY CLIENTS
Finding a professional expert in "partial differential equations" in the advanced level is difficult.
You can find this expert in "Assignmentexpert.com" with confidence.
Exceptional experts! I appreciate your help. God bless you!
Comments
Dear visitor! The mistake really took place! Thanks for correcting us
60*4=240, not 280...
Leave a comment