constancy of period of pendulum 1581: Robert Norman‚ dip of compass shows that Earth is a magnet 1584: Giordano Bruno‚ suggests that stars are suns with other Earth’s in orbit 1585: Giovanni Benedetti‚ impetus theory is better than Aristotle’s physics 1585: Simon Stevin‚ law of equilibrium 1586: Simon Stevin‚ pressure in column of liquid 1586: Simon Stevin‚ verification of equality of fall rates 1589: Galileo Galilei‚ showed that objects fall at the same rate independent of mass 1592: Galileo
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.Physics is the field of scince that controls the Earth‚ the Moon‚ the Sun and the Universe It is the science of matter and its motion‚ space-time and energy. Physics describes many forms of energy - such as kinetic energy‚ electrical energy‚ and mass; and the way energy can change from one form to another. Everything surrounding to us is made of matter and Physics explains matter as combinations of fundamental particles which are interacting through fundamental forces. It will not be an exaggeration
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Janay Wright-Parks Physics-Sports Paper Brad Ingram 29 March 2013 Physics of Gymnastics In the world of sports‚ physic concepts are being applied every day. Most people who play or watch a sport don’t think about the physics behind it all. When I watch a sport like gymnastics‚ I am always amazed at how a person’s body can bend and twist in the way that gymnasts bodies do. It is nothing but physics. Angular momentum is the main physics concept used in gymnastics‚ and this can be seen in events
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Class XI Exercise 4 – Motion in a Plane Physics Question 4.1: State‚ for each of the following physical quantities‚ if it is a scalar or a vector: volume‚ mass‚ speed‚ acceleration‚ density‚ number of moles‚ velocity‚ angular frequency‚ displacement‚ angular velocity. Answer: Scalar: Volume‚ mass‚ speed‚ density‚ number of moles‚ angular frequency Vector: Acceleration‚ velocity‚ displacement‚ angular velocity A scalar quantity is specified by its magnitude only. It does not have any
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Objectives: • To be able to explain how the photoelectric effect experiment works and why a photon model of light is necessary to explain the results. • To study the effect of intensity of light on photoelectric experiment. • To estimate the Planck’s constant‚ h through the simulation. • To be determine how to calculate the wavelength of light‚ the work function of the metal‚ or the stopping potential‚ if given the other two. Beginning with the plate made of sodium. Keep all the parameters
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Energetics Worksheet 1. Calculate a value for the Lattice Energy of Calcium Chloride from the following data. Draw energy cycles Std. Enthalpy of Formation of CaCl2 = - 795 kJ/ mol Std. enthalpy of atomisation of calcium = + 177 kJ/mol Std. enthalpy of atomisation of Chlorine = +121 kJ/mol 1st ionisation energy of calcium = +590 kJ/mol 2nd ionisation energy of calcium = +1100 kJ/mol Electron Affinity of chlorine = -364 kJ/mol 2. Draw Born-Haber cycles and calculate the L.E. of Cu2O and CuO
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I. Introduction Physics is the natural science that involves the study of matter and its motion through space and time‚ along with related concepts such as energy and force. More broadly‚ it is the general analysis of nature‚ conducted in order to understand how the universe behaves. Physics is one of the oldest academic disciplines‚ perhaps the oldest through its inclusion of astronomy. Over the last two millennia‚ physics was a part of natural philosophy along with chemistry‚ certain branches
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ROA‚ ANNA MARIA D. BA PSYCHOLOGY 1 Physics and Psychology—Relationship Status: It’s Complicated but Related One way or another‚ all things in life are related to one another. The same goes with Physics and Psychology. These two Sciences are different in a lot of ways but are also similar in certain aspects. Physics is the branch of Science concerned with the nature and properties of matter and energy. Psychology‚ on the other hand‚ is the scientific study of the mind and its functions
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Definition of Force A force is a push or pull upon an object resulting from the object’s interaction with another object. Whenever there is an interaction between two objects‚ there is a force upon each of the objects. When the interaction ceases‚ the two objects no longer experience the force. Forces onlyexist as a result of an interaction. Velocity‚ Acceleration‚ Momentum‚ and Impulse Velocity‚ in physics‚ is a vector quantity (it has both magnitude and direction)‚ and is the time rate of
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MARKS: 150 TIME: 3 hours This question paper consists of 16 pages‚ a datasheet of 3 pages and a 1-page answer sheet. Copyright reserved Please turn over PHYSICAL SCIENCES P1 (PHYSICS) EXEMPLAR 2007 NATIONAL SENIOR CERTIFICATE GRADE 11 Physical Sciences/P1 DoE/Exemplar 2007 NSC Copyright reserved Please turn over 2 INSTRUCTIONS AND INFORMATION 1. 2. 3. 4. 5. 6. 7. 8. 9. Write your name and/or examination number (and centre number if applicable) in the appropriate spaces on
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