Purchase Solution

Physics Problem

Not what you're looking for?

Ask Custom Question

A uniform meter stick is supported by a knife edge at the 50-cm mark. It has masses of 0.40 kg at the 10 cm mark and a 0.60 kg mass at the 80 cm mark. At what mark should a third mass of 0.30 kg be to keep the stick balanced?

Purchase this Solution
Solution Summary

The solution determines at what mark should a third mass be to keep the stick balanced.

Solution Preview

Solution:

We use the 50cm mark as the point of rotation for the equilibrium of moments as this is ...

Purchase this Solution
Free BrainMass Quizzes
Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

Basic Physics

This quiz will test your knowledge about basic Physics.

The Moon

Test your knowledge of moon phases and movement.

View More Free Quizzes
Related BrainMass Solutions

  • Applying physics in a career

    4481 Applying physics in a career My problem is how can physics help us in careers such us biotechnologist, astronomist, geology, biotechnology, aerospace, industry and communications?

  • Probability

    13530 Probability - students in a college class Please see the attached file for full problem description. --- Suppose that a certain college class contains students. Of these, are freshmen, are physics majors, and are neither.

  • Vectors physics problem

    64046 Vectors physics problem Please see attached file for the full problem description. Find , the length of , the sum of and . Express in terms of , , and angle . Please see the attached file for the solution. Solution.

  • Waves, Heat and Light: The wave equation

    53751 Waves, Heat and Light: The wave equation See attached file for full problem description. This course is the third in a three-term introductory physics sequence. The topics covered in this course include: I. Heat and Thermodynamics, II.

  • Waves, Heat and Light: Displacement of tranverse waves

    53752 Waves, Heat and Light: Displacement of tranverse waves See attached file for full problem description. This course is the third in a three-term introductory physics sequence. The topics covered in this course include: I.

  • Physics: Solving for Angular Velocity

    Solution: R^3*w^2=constant =>1*3^2=3^3*w^2 =>w=0.58 rad/s The following solution is comprised of a brief response which addresses this physics-based problem.

  • Newtonian Physics: Balance Beam Problem Structuring

    3625 Newtonian Physics: Balance Beam Problem Structuring Need to obtain a working mathematical model of the balance beam problem, preferably with a cart, not a ball. i.e.

  • Hypothesis, Population Mean and Proportions

    Let's assume that out of the 100 psychology majors, 65 solve the problem; and of the 110 physics problems only 45 solve the problem.

  • Simple problem to become familiar with vectors.

    Questions are taken from the course book 'Physics with modern physics', Richard Wolfson & J. M. Pasachoff, Questions taken from course book pp 60 - 63 Two vectors have the same length A and are at right angles.

  • Relativity quantum physics and Nuclear Physics answers

    This is a great set of problems to be used as a practice problem set prior to your physics test.

View More Related Solutions