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Physics

Physics regards the physical aspects of the natural world. It includes topics that deal with forces on different bodies within the universe and phenomena that explain how the universe works.

500 Questions

What is a longitudinal wave and what is nessasery for a wave?

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A longitudinal wave is a wave of which the disturbance direction is the same direction of the direction of the wave. Waves done in a spring and sound waves are an example.

A longitudinal wave:

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Why the metal strip should be flat or wire be kink free in screw gauge?

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Asked by Wiki User

if the strip will flat we can measure its thickness easily but if it is not flat i.e. its surface is irregular then it will thick only from some points and its other area will

be thin and we cannot measure its thickness easily.same is the reason for wire.

What is the purpose of a clipping path?

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The purpose of a clipping path in graphic design is to isolate an object or element from its background. This allows designers to manipulate the object independently, apply effects or adjustments to it, or place it against a different background without affecting the surrounding elements. Clipping paths are commonly used in product photography, e-commerce, advertising, and various other design contexts where precise object isolation is required for professional presentation.

Will dishwashing liquid affect viscosity?

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Viscosity of a fluid is mainly influenced by the friction caused by the interactions between its molecules. Therefore a dishwashing liquid or reagent does not affect the viscosity of water, it only affect its surface tension. .

A motorcycle slows down from 40 ms to 20 ms If this takes 4 seconds what is the motorcycle's acceleration?

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Acceleration(a) = [final velocity(v) - initial velocity(u)] / time(s)

Algebrtaically

a = [ v - u ] / s

A negative result indicates deceleration

a = [20 - 40 ]= / 4

a = [-20] / 4

a = -5 m/s^(2)

This is negative which matches the question of slowing down/deceleration.

What are the 3 main sections of a nuclear power plant?

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  • The Reactor , which generates heat
  • Thew boiler uses that heat to boil water to form steam
  • The steam drives a turbine connected to a generator.

How do like and unlike charges react?

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LIKE charges REPEL

UNLIKE charges ATTRACT.

NB Think of a pair of magnets. . If the two north or south poles are placed together , they repel .

However, if a north pole and a south pole are placed together , they attract.

In Chemistry ions of opposite charge attract . e.g. Na^(+) + Cl^(-) = NaCl(s)

How is biomas energy utilized?

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By combustion /burning.

What refers to the bending of light waves when they pass through another substance?

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Refraction is the bending of waves as they enter a different medium.

What is the effect of placing an object with greater density than water in a bucket of water?

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what is the effect of placing an object with a greater density than water in a bucket of water

Where the red light area in tirupur?

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address in red light areas in egmor chennai

Why tyres of vehicles are black in colour?

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why vehicle tyres are black in color

What is visual background over which all your work is done?

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A modeling portfolio

What is a flatbed machine?

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A flatbed machine refers to a type of equipment or device that has a flat, level surface on which materials or objects can be placed for processing, scanning, printing, or other operations. The term "flatbed" typically indicates that the surface of the machine is horizontal and flat, allowing items to be easily placed and manipulated.

One common example of a flatbed machine is a flatbed scanner. In a flatbed scanner, documents, photographs, or other items are laid flat on a glass surface, and a scanning mechanism moves beneath the glass to capture an image of the item. Flatbed scanners are commonly used for digitizing documents, photos, artwork, and other materials.

Another example of a flatbed machine is a flatbed printer. In a flatbed printer, a flat surface serves as the printing bed, and the printing mechanism moves horizontally or vertically across the surface to apply ink or other printing materials onto the items placed on the bed. Flatbed printers are used for printing on various materials, including paper, cardboard, plastics, textiles, and more.

Flatbed machines are versatile and widely used in various industries, including printing, publishing, graphic design, engineering, manufacturing, and document management. They offer convenience, flexibility, and the ability to process a wide range of materials and objects with ease.