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1. ### 2 blocks (collision and separation) Simple harmonic motion?

... with the spring it goes in simple harmonic motion, derive an ex(p)ression fo(r) the spring constant,k if the spring compresses a distance l (L for clarity...

2 Answers · Science & Mathematics · 07/08/2019

2. ### a concave mirror has a curvature of 20 cm and a 1.5 cm object is placed 5 cm away from the mirror, where is the object ? (focal point etc)?

focal point (distance from mirror) is: f = r/2 = 10 cm given s = object distance from mirror s' = image distance from mirror...

1 Answers · Science & Mathematics · 06/08/2019

3. ### A satelite located in it orbit 3200km from the center of the earth, moves twice round the earth after 48 hours. What is the uniform velocity?

... wrong. edit, I suspect you mean 3200 km above the surface. Then R = 3200 km + 6,371 km = 9.57e6 meters plug that into the equations...

7 Answers · Science & Mathematics · 01/08/2019

... in parallel with the 5 Ohm resistor, so the equivalent resistance is 1/R = 1/10 + 1/5 = 3/10 R = 10/3 Ohm. The terminal voltage ...

2 Answers · Science & Mathematics · 24/07/2019

...use the following equation to calculate the total current. V = I * R 12 = I * 13⅓⅓ I = 0.9 amp In a parallel circuit...

3 Answers · Science & Mathematics · 24/07/2019

6. ### A man walks 9 m to the west, and then 40 m to the north. The magnitude of the displacement of his walk is?

... R^2 = 9^2 + 40^2 = 1681 R = 41 m the angle is 12.7° W of N When you get a good response, please consider giving a best answer. This is the only reward we get.

4 Answers · Science & Mathematics · 20/06/2019

7. ### Electricity: Electric Circuits Please show work?

...drop across each individual resistor. ANS: V1-30, V2- 18V R = R1+R2 = 6.4+3.9 = 10.3 ohm I = V/R ) 48/10...

1 Answers · Science & Mathematics · 19/03/2019

8. ### Electricity: Electric Circuits Please show work?

... = 1 C/s 2) resistance = voltage² / power = V²/P R = (110V)² / 1500W = 8.1 Ω Hope this ...

1 Answers · Science & Mathematics · 18/03/2019

9. ### Which of the following statements are correct for the RC circuit shown? Select true or false for each statement?

... in the position b for a long time, the current through R becomes close to zero. TRUE, cap blocks... a long time in the position b, the current through R is E/R. TRUE initial charge on...

1 Answers · Science & Mathematics · 13/03/2019

10. ### Uniform circular motion question tension of my arm?

ac = V^2/r = 3^2/0.7 = 12.856 m/sec^2 at top F = m(ac-g) = 2(12.856-9.806) = 2*3.05 = 6.10 N down F' = m(ac+g) = 2*(12.856+9.806) = 45.3 N

4 Answers · Science & Mathematics · 11/03/2019