Cambridge International AS and A Level Physics - Beck-Shop
... Waves are called mechanical waves if they need a substance (medium) through which to travel. Sound is one example of such a wave. Other cases are waves on strings, seismic waves and water waves (Figure 13.4). Some properties of typical waves are given on page 183 ...
... Waves are called mechanical waves if they need a substance (medium) through which to travel. Sound is one example of such a wave. Other cases are waves on strings, seismic waves and water waves (Figure 13.4). Some properties of typical waves are given on page 183 ...
paper
... 11. A geomagnetic reversal is a change in polarity of the Earth’s magnetic field. On average this happens every 300 000 years. Reversals can take in excess of 1000 years to complete. During a previous reversal, the strength of the Earth’s magnetic field dropped to 5% of its present value. Figur ...
... 11. A geomagnetic reversal is a change in polarity of the Earth’s magnetic field. On average this happens every 300 000 years. Reversals can take in excess of 1000 years to complete. During a previous reversal, the strength of the Earth’s magnetic field dropped to 5% of its present value. Figur ...
explanation of dynamical biefeld-brown effect from the
... space applications in the long-term, provided that it can be repeated, controlled, and a full explanation found. In 1956, T.T. Brown presented a discovery known as the Biefeld-Bown effect (abbreviated B-B effect) that a sufficiently charged capacitor with dielectrics exhibited unidirectional thrust ...
... space applications in the long-term, provided that it can be repeated, controlled, and a full explanation found. In 1956, T.T. Brown presented a discovery known as the Biefeld-Bown effect (abbreviated B-B effect) that a sufficiently charged capacitor with dielectrics exhibited unidirectional thrust ...
2010 HSC Examination - Physics
... While drilling into a tough material, the DC motor in an electric drill is slowed significantly. This causes its coils to overheat. Why do the coils overheat? (A) The resistance of the coils increases significantly. (B) The increased friction on the drill is converted to heat. (C) The back emf de ...
... While drilling into a tough material, the DC motor in an electric drill is slowed significantly. This causes its coils to overheat. Why do the coils overheat? (A) The resistance of the coils increases significantly. (B) The increased friction on the drill is converted to heat. (C) The back emf de ...
nomenclature of mass
... The branch of science dealing with all aspects of mass spectroscopes and the results obtained with these instruments. (Note: The term 'Mass Spectroscopy' seems preferable here, but 'mass spectrometry' has become widely used.) 5 Single-focusing mass spectrometer An instrument in which an ion beam wit ...
... The branch of science dealing with all aspects of mass spectroscopes and the results obtained with these instruments. (Note: The term 'Mass Spectroscopy' seems preferable here, but 'mass spectrometry' has become widely used.) 5 Single-focusing mass spectrometer An instrument in which an ion beam wit ...
Forces On Moving Objects
... objects are: • Errors of relative distance are used in the calculations based on force laws using the inverse square of the distance. • The four so-called “intrinsic” properties of the stable elementary particles (the electron, proton, positron and antiproton)—charge, spin, magnetic moment, and iner ...
... objects are: • Errors of relative distance are used in the calculations based on force laws using the inverse square of the distance. • The four so-called “intrinsic” properties of the stable elementary particles (the electron, proton, positron and antiproton)—charge, spin, magnetic moment, and iner ...
Vocabulary Lists
... 65. *Period (T) – time taken for one complete oscillation (cycle) (OR: time taken for one cycle to pass a given point) 66. *Phase Difference – difference in phase between two points 67. *Simple Harmonic Motion – motion that takes place when the acceleration of an object is proportional to its displa ...
... 65. *Period (T) – time taken for one complete oscillation (cycle) (OR: time taken for one cycle to pass a given point) 66. *Phase Difference – difference in phase between two points 67. *Simple Harmonic Motion – motion that takes place when the acceleration of an object is proportional to its displa ...
Mass Spectrometry - Polymer Engineering Faculty
... a flow rate of between 1 µL/min and 1 mL/min. A high voltage of 3 or 4 kV is applied to the tip of the capillary, which is situated within the ionisation source of the mass spectrometer, and as a consequence of this strong electric field, the sample emerging from the tip is dispersed into an aerosol ...
... a flow rate of between 1 µL/min and 1 mL/min. A high voltage of 3 or 4 kV is applied to the tip of the capillary, which is situated within the ionisation source of the mass spectrometer, and as a consequence of this strong electric field, the sample emerging from the tip is dispersed into an aerosol ...
Mass and Gravity
... 9.81 m s−2 . That means that ignoring air resistance, the speed of an object falling freely near the Earth’s surface increases every second by about 9.81 metres per second. The standard value is defined as gn = 9.80665 m s−2 or 9.80665 N kg−1 . The vector, gravity, is the force that acts on a body a ...
... 9.81 m s−2 . That means that ignoring air resistance, the speed of an object falling freely near the Earth’s surface increases every second by about 9.81 metres per second. The standard value is defined as gn = 9.80665 m s−2 or 9.80665 N kg−1 . The vector, gravity, is the force that acts on a body a ...
Learning material
... In the case of sound waves, the speed at which they move through space depends on the speed of the air through which they are moving. A fast flowing wind carries the sound towards us more rapidly than a still atmosphere. The speed of sound also depends on the speed of the observer and of the source, ...
... In the case of sound waves, the speed at which they move through space depends on the speed of the air through which they are moving. A fast flowing wind carries the sound towards us more rapidly than a still atmosphere. The speed of sound also depends on the speed of the observer and of the source, ...
Mass Relationships of Atoms
... The Story of Boron • Any chunk of Boron you dig up is a mixture of 2 isotopes: on average ~20% will be 10B, ~80% will be 11B ...
... The Story of Boron • Any chunk of Boron you dig up is a mixture of 2 isotopes: on average ~20% will be 10B, ~80% will be 11B ...
An Introduction to the New SI - IFSC-USP
... The Planck constant is also the elementary unit of angular momentum; the smallest angular momentum of an elementary particle such as the electron is h/4π. The Planck constant also appears in the Heisenberg uncertainty relation. In the new SI, the Planck constant has an exact assigned value. An addit ...
... The Planck constant is also the elementary unit of angular momentum; the smallest angular momentum of an elementary particle such as the electron is h/4π. The Planck constant also appears in the Heisenberg uncertainty relation. In the new SI, the Planck constant has an exact assigned value. An addit ...
Electro-magnetically controlled acoustic metamaterials with adaptive
... considered in accelerators, plasma, or condense matter physics, there very light atomic or subatomic electrically charged particles move in a circle due to Lorentz force ...
... considered in accelerators, plasma, or condense matter physics, there very light atomic or subatomic electrically charged particles move in a circle due to Lorentz force ...
PWE 16-5: Determining Charge-to
... moves. The particle begins at rest, so v0x = 0. If we take the initial position of the particle to be x0 = 0, then Equation 2-9 becomes ...
... moves. The particle begins at rest, so v0x = 0. If we take the initial position of the particle to be x0 = 0, then Equation 2-9 becomes ...
Geol. 655 Isotope Geochemistry
... at the focal plane of the mass spectrometer in one of two ways. The most common method, particularly for solid source mass spectrometers, is with a 'Faraday cup', which is shown schematically in Figure 15.3. As the name implies, this is a metal cup, generally a few millimeters wide and several centi ...
... at the focal plane of the mass spectrometer in one of two ways. The most common method, particularly for solid source mass spectrometers, is with a 'Faraday cup', which is shown schematically in Figure 15.3. As the name implies, this is a metal cup, generally a few millimeters wide and several centi ...
An Explanation of Gravitation without Recourse to Relativity Musa D
... For two neutral bodies of masses M1 and M2, containing N1 and N2 positive and negative electrical charges each of magnitude Q and K respectively, separated by a distance Z in space, the force of attraction is given by equation (7). In this case the positive and negative “electro-gravity” fields act ...
... For two neutral bodies of masses M1 and M2, containing N1 and N2 positive and negative electrical charges each of magnitude Q and K respectively, separated by a distance Z in space, the force of attraction is given by equation (7). In this case the positive and negative “electro-gravity” fields act ...
