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1. ### A converging lens of 17- cm focal length is placed at the center of curvature of a concave spherical mirror?

A converging lens of 17- cm focal length is placed at the center of curvature of a concave spherical mirror...the lens and mirror. The focal point of the concave spherical mirror is 17 cm from the center of curvature of a concave spherical mirror! Light rays, from...

2 Answers · Science & Mathematics · 08/10/2010

2. ### A 0.094 kg remote control 21.2 cm long rests on a table with a length L overhanging?

... (and taken... from wiki): ☞ the length overhanging: L cm ☞ the length NOT overhanging: (21.2 - L) cm ☞ the ...

1 Answers · Science & Mathematics · 15/11/2007

3. ### Water flows at 0.63 m/s through a pipe 18 cm in diameter when the pressure is 37000 Pa.?

.../(dg) + (v2)^2/(2g) where P1 = pressure in 18 cm diameter,D1, section; v1 = velocity in 18 cm diameter section... means the absolute pressure in the pipe at the 4 cm diameter section is 101,325 Pa - 43,500 Pa...

1 Answers · Science & Mathematics · 02/04/2010

4. ### A CD-ROM drive in a computer spins the 12-cm-diameter disks at 10000 rpm.?

...period = 1 rev/ω, dimensions of (time) r = radius of disk = 12 cm/2 = 6 cm, dimensions of (distance) cm = 0.01 m For uniform circular...

2 Answers · Science & Mathematics · 15/02/2012

5. ### The ball launcher in a pinball machine has a spring that has a force constant of 1.20 N/cm...?

...x = is the distance the spring is away from equilibrium. k = 1.20N/cm = 120N/m Ui for the spring is then equal to 0.5*(120N...

3 Answers · Science & Mathematics · 25/07/2009

6. ### a radius of 7.37 cm from the axis of rotation?

... the sample making, if it is located at a radius of 7.37 cm from the axis of rotation? Centripetal force = (mass * velocity^2) ÷ radius...

2 Answers · Science & Mathematics · 07/10/2011

7. ### physics- A horizontal segment of pipe tapers from a cross sectional area of 50 cm^2 to 0.5 cm^2.?

- The area at one end is 50 cm^2, and at the other end is 0.5 cm^2, so the ratio is 50/0.5 = 100...

2 Answers · Science & Mathematics · 06/11/2007

8. ### A flat sheet of ice (n = 1.309) has a thickness of 2.9 cm.?

...of refraction. This means that light travels ~22,902,403,200 cm/s in ice. We can use a ratio here to make things very simple. ...

1 Answers · Science & Mathematics · 16/11/2011

9. ### Convert 14.37 g/cm^3 to kg/m^2.?

... one step at a time. First, convert grams to kg, then convert each cm to m. (I don't know which exponent is correct, but it is not...

3 Answers · Science & Mathematics · 27/08/2007

10. ### A uniform 240-g meter stick can be balanced by a 240-g weight placed at the 100-cm mark.?

mass of each 1cm = 240 g/100 cm =2.4 g/cm --------------- ........... P ........ N ..... Q ........ 0...10-x)]*(10-x) x^2 = 20000 - 200 x + 100+x^2 - 20x 0 = 20100 - 220 x 220 x = 20100 x = 91.36 cm where fulcrum should be

2 Answers · Science & Mathematics · 18/12/2007