DC Physics logo HOME | Practice Problems } Monthly Features | Textbook Errata | Humor | About DC Physics

HELP HOME PAGE

Make a Practice Test

Some Hints & Solutions

Newton's Second Law

Problem #: 2 | Variant #: 4

A 7.2 kg mass and a 10.9 kg mass are tied to a light string and hung over a frictionless pulley. How fast is the heavier mass falling 0.69 seconds after they are released from rest?

m/s

Get a Random Newton's Second Law Question

Hints: How to solve this type of problem

Try a Minitest: 6 problems of this type


NOTE: While these problems are made by a former University Physics professor and are seen thousands of times a week, it is possible that there are typo's or other errors that nobody has yet reported to be fixed. If you are convinced that there is a problem with the solution to this question please send the details to doug@dctech.com