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1. ### A candle 10.4 cm tall is located 77.0 cm from a concave mirror witha focal length of 14.2 cm.?

Hello you use mm instead of cm in your drawing), and di = distance of the image do = distance of the object...and radius of curvature, which is 2*f = 28.4 cm. Place the candle 77 cm from the mirror with the base on the x axis, upright, 10.4 cm high. Now draw a...

1 Answers · Science & Mathematics · 23/06/2011

2. ### What must be the minimum height of a plane mirror so that a boy of height 162 cm can view himself from head to?

81 cm. A photon from his toe hits the mirror and bounces to...

2 Answers · Science & Mathematics · 24/08/2012

3. ### A ruler (meter stick) is balanced with the fulcrum at the 50 cm mark as shown in the diagram. If a 130 g mass?

At the 58.18 cm (approx at the 52 cm) mark. The moment on the forces on both sides... distances FROM THE PIVOT are 25 cm for the 130 gram, 42 cm (50-8) for the 20 gm and X for the 500 gm. So...

2 Answers · Science & Mathematics · 13/07/2008

4. ### An iron bolt of mass 80.0 g hangs from a string 38.6 cm long. The top end of the string is fixed. Without?

...iron bolt of mass 80.0 g hangs from a string 38.6 cm long. The top end of the string is fixed...string is attached to. Draw a 19.3 cm vertical line down the vertical red margin line from the top line of...

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

5. ### How do I convert 44 cm/ms to m/s?

cm/ms is centimeters per millisecond _____cm/ms * 1000 ms/s * 1 m/100 cm = ____ m/s I get about 440 m/s which is in the range of the speed of sound in air

5 Answers · Science & Mathematics · 25/05/2010

6. ### Physics lenses: 2 identical diverging lenses are separated by 14cm. The focal length of each lens is -8.0 cm.?

... leaves the object and diverges over a distance of 4 cm to reach the 1st lens, so the vergence of the wavefronts entering...

1 Answers · Science & Mathematics · 22/05/2009

7. ### Two equally charged insulating balls each weigh 0.12 g and hang from a common point by identical threads 50 cm?

...find how much force it takes to repel two balls so that they hang 6.6 cm apart. We'll start by finding the weight of each ball. The...

1 Answers · Science & Mathematics · 23/08/2010

8. ### If 1 inch is equal to 2.5 cm, approximately how many inches are in 1000 kilometers?

OK. 1 inch = 2.5 cm = 2.5 / 100 m = 0.025m = 0.025 / 1000 km = 0.000025 km So in 1000 km we have...40 000 000 inches 1 inch = 2.5 cm 12 inches = 1ft = 12 * 2.5 = 30 cm 6 ft 4 inches = (6 * 30) +(4 * 2.5) = 180 + 10 = 190 cm For ...

5 Answers · Science & Mathematics · 25/02/2011

9. ### How do you convert 12.6g/cm^3 to kg/m^3?

12.6 g/cm^3 * (1 kg / 1000 g) * (100 cm / 1 m) ^3 (grams cancel out, but we'll leave the (100 cm / 1 m)^3 term in case you don't understand) = 0.0126 kg/cm^3 * (1000000 cm^3 / 1...

5 Answers · Science & Mathematics · 21/02/2011

10. ### A spring with a spring-constant 2.6 N/cm is compressed 24 cm and released.?

A spring with a spring-constant 2.6 N/cm is compressed 24 cm and released. The 9 kg mass... done by spring = ½ * k * d^2 k = 2.6 N/cm = 260 N/m, d = 0.24 m Work done by spring = ½...

1 Answers · Science & Mathematics · 09/03/2012