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Every action has an equal and an opposite reaction

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a branch of physics in which we study about the object and properties of an object in form of a motion under the action of the force

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Deals with
-Kinetic energy (KE)
-Potential energy (PE)

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Energy

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Gravitational force

Sy selalu confius kedudukan bumi,matahari dgn bulan adakah sama atau boleh berubah2?🤔

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science of relation between heat, work, temperature and energy

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It is a combination of invisible electric and magnetic field of force.
E.g Mobile Phone, Computer screen are examples of equipment that generates electromagnetic field.

Discuss 5G Phenomena.

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work done by a constant force is defined as the distance moved by multiplied of the component of the force in the direction of diplacement

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Reflection of light: image formation by a plane mirror

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energy can neither be created or destroyed

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Beams of sunlight that stream through gaps in clouds. The rays visible due to the dust, smoke and other dry particles in the atmosphere scatter the sunlight. The rays are actually parallel although it appear to diverge.

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Contain two aspects which is electricity and magnetism 

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Contain two aspects which is electricity and magnetism 

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-Torque
-Angular momentum

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deals with the transfer of energy from one place to another and from one form to another

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The relative motion between magnetic field and conductor,the flux linkage changes and this change in flux induces a voltage across the coil.

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force generated by two surfaces that contacts and slide against each other

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when light from the sun is reflected and refracted by water droplets.

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ability to produce magnetic field in a plane

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ability to produce magnetic field in a plane

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we use the same right hand rule to determine the force the magnetic field exerts on a current

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Defined as a region surrounding a magnet or a conductor carrying current where a magnetic force is experienced.

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focal point, diverging lens, converging lens, power of lens

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is a type of magnet in which the magnetic field is produced by an electric current.

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Optics is involved everywhere in making this happen. From optic fibres in Wi-Fi routers to the long optical cables laid on the ocean floors connecting continents. Lasers (monochromatic pulses of light) travel through these optic cables and make all communication and all of internet possible (at light speed)

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A rare phenomenon known as iridescence can show rainbow colors within clouds

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motion of physical objects

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a lens is a transparent device with two curved surfaces , usually made of glass or plastic, that uses re

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It have different wavelengths.

When you listen to the radio, watch TV, or cook dinner in a microwave oven, you are using electromagnetic waves. Radio waves, television waves, and microwaves are all types of electromagnetic waves

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designed to focus or diverge light.

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The law of reflection states that when a ray of light reflects off a surface, the angle of incidence is equal to the angle of reflection.

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a line that is perpendicular to the wavefronts of the actual light, and that points in the direction of energy flow

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Both of them basicly use the same concept cuz both of them explain about the nature of object that move in rotational motion.

But I wonder why Kaplers law exist, which saying that planet moving in an elipse.. Its wierd for sure, how to explain this thing..
I start to curious about it

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Young double slits

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Sound is created from the vibration of air

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in the process of reaching thermodynamic equilibrium, heat is transferred from the warmer object to the cooler object. At the thermodynamic equilibrium, heat transfer is zero

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4 process of thermodynamics:
1)isothermal(occur at constant temperature)
2)isochoric(occur at constant volume)
3)isobaric(occur at constant pressure)
4)adiabatic(occur when no heat transfer into or out the system

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is a disturbance that tranfers energy from one place to another without requiring any net flow of mass.

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for exploring and mapping the ocean because sound waves travel farther in the water than do radar and light waves.

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electrical force between two charged objects is directly proportional to the product of the quantity of charge on the objects and inversely proportional to the square of the separation distance between the two objects

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its a collapsed core of a massive supergiant and is the densest stellar object other than black holes.

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branch of space science that applies the laws of physics and chemistry to explain the birth, life and death of stars, planets, galaxies, nebulae and other objects in the universe. It has two sibling sciences, astronomy and cosmology, and the lines between them blur.

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Astronomy is the scientific study of the stars, planets, and galaxies, and their motions. Astrophysics uses principles and laws of physics to explain how stars, planets, and galaxies form and function

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A black hole is a place in space where gravity pulls so much that even light can not get out. The gravity is so strong because matter has been squeezed into a tiny space. This can happen when a star is dying.

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its a relativity paradox that if a twin makes a journey into space near the speed of light and returns, he/she would have aged less than the twin that's left behind.

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Pietro Angelo Secchi
He is the first scientists to state authoritatively that the Sun is a star

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Consider two sources producing waves of the same wavelength and in phase; that is, at their origin the crests of the waves occur at the same time.

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Nuclear ﬁssion is a process where the nucleus of an atom is split into two or more smaller nuclei, known as ﬁssion products.

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combination of two waves moving in opposite directions, each having the same amplitude and frequency

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Doppler effect
The apperent change in the pitch or frequency of a sound when there is relative motion between the source and observer.

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Nuclear physics is the field of physics that studies atomic nuclei and their constituents and interactions

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Ultrasound used to detected an object
A ringing telephone, a honking horn, and the sound of a friend’s voice are all reminders of how important sound is. But sound has uses that go beyond communication. For example, some animals and people use reflected ultrasound waves to detect objects. Some animals, such as bats, use the echoes of ultrasound waves to find food.

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a fundamental theory in physics that provides a description of the physical properties of nature at the scale of atoms andsubatomic particles.

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these comets are pulled by gravity and fall to the earth, the moon, or other planets . Comets have orbital or elliptical orbits , more oval and longer than planetary orbits. But due to the origin of comets from outside the solar system, and its tendency to be attracted to large planets, comet orbits are constantly changing. Some will be too close to the sun and then burn out, while others will be out of the solar system forever.