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Marysya12 [62]
3 years ago
14

Ray runs 78 feet north, then 61 feet west. Calculate the total displacement traveled by in feet

Physics
1 answer:
nasty-shy [4]3 years ago
6 0

Answer:

hdhshsisjsbrtheisebvrtctvsjusyevevrvrg eggs haushehegehs

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You drop a rock off the top of a 100 m tall building. How long does it take to hit the ground?
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It would mostly depend on its weight
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A monochromatic light passes through a narrow slit and forms a diffraction pattern on a screen behind the slit. As the slit widt
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shrinks with all the fringes getting narrower

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As the light passes through the slit, the diffraction pattern shrinks, as the waves have more opening to penetrate, and the fringes becomes more narrow as a result of that, The opposite happens as the conditions are reversed.

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Take a close look at the energy transfers and transformations shown in the above diagram. Which type of energy is transformed in
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4 0
3 years ago
Read 2 more answers
HELP!!!
Vitek1552 [10]
We shall consider two properties:
1. Temperature difference
2. Thermal conductivity of the material

Use a cylindrical rod of a given material (say steel) which is insulated around its circumference.

One end of the rod is dipped in a large reservoir of water at 100 deg.C and the other end is dipped in water (with known volume) at 40 deg. C. The cold water if stored in a cylinder which is insulated on all sides. A thermometer reads the temperature of the cold water as a function of time.

This experiment will show that
(a) heat flows from a region of high temperature to a region of lower temperature.
(b) The thermal energy of a body increases when heat is added to it, and its temperature will rise.
(c) The thermal conductivity of water determines how quickly its temperature will rise. If mercury replaces water in the cold cylinder, its temperature will rise at a different rate because its thermal conductivity is different.



5 0
3 years ago
Read 2 more answers
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