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ChipSkylark3220

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ChipSkylark3220

Powers Of A Lens

Suppose you notice that a friend is having difficulty seeing distant objects clearly. After a few tests, you and your friend discover that they can see objects clearly out to about 35 cm from their...
01:20 Thu 28th Oct 20212 answers, last by Rev. Green 15:23 Sun 31st Oct 2021
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ChipSkylark3220

Ray Diagram

Suppose a concave mirror with a radius of 12 cm is placed a distance of 4 cm from a 5 cm tall object. a. Draw a ray diagram of the situation to show where the image of the object will be. Will it be...
01:11 Thu 28th Oct 20215 answers, last by Peter Pedant 10:02 Thu 28th Oct 2021
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ChipSkylark3220

What Formula Do I Use?

A certain water tower is placed so that the top of the water is a height of 100 m above the town below. The tower has a circular cross-section of radius 2 m, and the air above is kept at atmospheric...
01:35 Sat 02nd Oct 20212 answers, last by Atheist 16:00 Sat 02nd Oct 2021
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ChipSkylark3220

Did I Get The Correct Answer?

A piano uses vibrating strings to produce musical notes. Suppose a piano tuner finds that the note corresponding to 440 Hz is slightly off. The string has a linear mass density of 2 g/m, and has a...
00:58 Sat 02nd Oct 20211 answer, last by Buenchico 01:17 Sat 02nd Oct 2021
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ChipSkylark3220

What Is The Formula To Use?

A spring is suspended from a ceiling with no mass attached. Then, a mass m1 is attached to the bottom and allowed to fall. The spring has spring constant k. a. How long will it take before the mass...
00:57 Sat 02nd Oct 2021
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ChipSkylark3220

Water Tower. Bernoulli's Principle?

A certain water tower is placed so that the top of the water is a height of 100 m above the town below. The tower has a circular cross-section of radius 2 m, and the air above is kept at atmospheric...
04:14 Fri 01st Oct 20212 answers, last by 1ozzy 05:01 Fri 01st Oct 2021

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