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We want to connect the people who have knowledge to the people who need it, to bring together people with different perspectives so they can understand each other better, and to empower everyone to share their knowledge in Physics.

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Peterkish

Asked: March 11, 2022In: Classical Physics

Pressure

Sketch graphs showing the variation in pressure of a and b

AdminEnlightened

Asked: September 16, 2020In: Mechanical Physics

A ball thrown vertically from a moving vehicle

A person sitting in an open vehicle moving at a constant velocity throws a ball vertically up into air. Where does the ball fall? Explain your answer.

Mr MusembiBegginer

Asked: September 2, 2020In: Mechanical Physics

Work Done on Horizontal Plane

A girl carries 20 litres in a Jerry can on her head and walks for 200 metres on a horizontal level ground. Explain why the girl does no work (Assume air resistance is negligible).

mohamed008

Asked: February 1, 2021In: Classical Physics

FORCE

what is force?

MariaTeacher

Asked: December 7, 2020In: Thermodynamics

Concrete and steel

Why is concrete reinforced with steel in constructing beams?

JoshuaBegginer

Asked: February 1, 2022In: Modern Physics

Smoke cell

Why are smoke particles suitable in smoke cell experiment

AdminEnlightened

Asked: November 9, 2020In: Modern Physics

Floating and Sinking of submarines

Explain how submarines float or sink while navigating through water bodies.

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On: December 11, 2020 Comments: 98 Views: 829

Features of a common thermometer

Bulb – Carries the liquid in the thermometer. It has a thin glass wall for effective heat transmission between the liquid and body whose temperature is taken. Capillary bore – Liquid expands and contracts along the capillary tube. It isnarrow for high ...

On: December 11, 2020 Comments: 95 Views: 346

Why liquids are poor conductors of Heat

Pure liquids have molecules further apart from each other. Although molecules move about within the liquid, they are slow to pass heat to other regions compared to the free electrons in metals. This is because there are large inter-molecular distances ...

On: September 16, 2020 Comments: 59 Views: 250

[Explained]Newton’s First Law

Sir Isaac Newton first presented his three laws of motion in the “Principia Mathematica Philosophiae Naturalis” in 1686. His first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its ...

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