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1. ### What is the new angular speed?

...momentum Li = mvr = mr√(2gh) that would have to be added to the LHS of the momentum equation.

1 Answers · Science & Mathematics · 19/01/2014

...kinetic energy = 3* ( 1/2 * k * T) * number of particles; LHS: 1/2 * m * v²; solve for v: v = sqrt( 3*k*T/ m); remember T...

2 Answers · Science & Mathematics · 06/12/2013

3. ### What must be the mass of the rock?

...obviously 0 ≤ x ≤ 25 cm). 0.80kg * 25cm = M * (25cm - x) I have 25cm on the LHS because the CM of the meterstick is (presumably) at 50 cm, so the distance...

1 Answers · Science & Mathematics · 09/11/2013

4. ### If FB = 35lb and FC = 50lb , determine the resultant moment about the bolt located at A (Figure 1) .?

Your LHS is correct, but you got the wrong result. I get 220 ft·lbs.

1 Answers · Science & Mathematics · 19/10/2013

5. ### Vector dot products between 3 vectors. more in details?

...deg;)cosθ - sin(85°)sinθ) = 7/6 Divide numerator and denominator on LHS by cosθ: (cos(60°) + sin(60°)tanθ) / (cos(85°) + sin(85°)tan...

1 Answers · Science & Mathematics · 08/10/2013

6. ### Electrons moving toward each other?

...the potential energy -- where did the "2" come from? Also, for the LHS, I get 2.5MV², so I think you should have 2.5MV²...

1 Answers · Science & Mathematics · 16/09/2013

7. ### V(t) = A t^3 + B/t help please?

... on the Right Hand Side Dimension of the LHS is L^3 (volume...) on the LHS you add 2 quantities and...

1 Answers · Science & Mathematics · 01/11/2013

8. ### thin film interference due to reflected light?

Phase changes can occur due to an actual change in path length (same as a time-delay) - which is what happens in the double slit experiment if you are familiar with that. But phase change on reflection can occur with with zero change in path length (when a wave reflects from a...

2 Answers · Science & Mathematics · 01/11/2013

9. ### dimensions of time, displacement, velocity and acceleration?

...every term must...must...have the same dimensions as the dependent variable, the LHS varible? This is the useful lesson here. Each term, each ...

1 Answers · Science & Mathematics · 02/11/2013

10. ### What is the largest negative velocity?

...1.........2 We can say -2 > -1 -- 2 > 1 by switching from the LHS of 0 to the RHS of zero. We multiply by minus 1 to do that. ...

6 Answers · Science & Mathematics · 06/09/2013