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1. ### A 176 g mass suspended from a spring oscillates with a period of 1.50 s. How much mass must be added to change the period to 3.05 s?

F = m w^2 R If F/R ( the spring constant ) is kept constant then...

2 Answers · Science & Mathematics · 20/02/2019

2. ### Physics help!?

.... I wheel is m r^2 I disc is 2/5 m r^2 the disc has ...

1 Answers · Science & Mathematics · 01/05/2019

3. ### physics help?

Fc = m * v^2 ÷ r = 10.8 * 3.92^2 ÷ 0.589 = 165.95712 ÷ 0.589 This is approximately 282...

1 Answers · Science & Mathematics · 10/02/2019

4. ### Collection of charge problem?

...aren't you smart enough to do this? a) Take the derivative with respect to r and add a minus sign. The potential is constant outside of r = a, so the...

1 Answers · Science & Mathematics · 30/04/2019

5. ### centripetal force question?

Fc = m * v^2 ÷ r m = 0.2 kg During one rotation, the ball moves a distance that ...

3 Answers · Science & Mathematics · 06/01/2019

6. ### A bridge across a small stream is made by supporting a 10m log with mass 75kg with ropes tied at the ends of the log to trees on the banks?

... tensions on the left and right sides (call 'em F and R, respectively) at the angles given in the problem statement; the weight of...

1 Answers · Science & Mathematics · 13/06/2019

7. ### A 537 kg satellite orbits earth with a speed of 4.3 km/s at a distance of 2.5x10^7m from earth's center.?

Given, Mass (m) = 537kg Distance (r) = 2.5 x 10⁷m Speed (v) = 4.3km/sec = 4.3 x 10³m/sec...

3 Answers · Science & Mathematics · 30/04/2019

8. ### I have some physics questions, can I get some help?

...force is equal to the friction force. Fc = m * v^2 ÷ r Ff = μ * m * g m * v^2 ÷ r = μ * m * g v^2 = r...approximately 0.097 m/s. Centripetal acceleration = v^2 ÷ r = (0.3055 * π)^2 ÷ 0.195 The velocity is approximately...

2 Answers · Science & Mathematics · 18/12/2018

9. ### Physics help?

The current entering the left resistor R is: I1 = 4-3 = 1A. So the voltage drop across left resistor...

2 Answers · Science & Mathematics · 26/05/2019

10. ### Need help some physics problems?

... that they are in parallel. If that's correct, then a/ Rs = 75 Ω, and so voltage V = I*R = 0.15A * 75...

3 Answers · Science & Mathematics · 22/07/2019