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Auslöser mit Kugel

Auslöser mit Kugel

Mechanische Halterung zur örtlich und zeitlich definierten Auslösung geeigneter Körper, z. B. von Kugeln, Fallstäben usw.. Durch Auslösen des Fallkörpers wird der elektrische Stromkreis unterbrochen.…

Artikelnr.: 02502.00

Fallblende

Fallblende

Schwarz eloxierte Aluminiumblende mit rechteckiger Aussparung. Bohrungen zur Aufnahme von Zusatzmassen, um zu zeigen, dass die Erdbeschleunigung unabhängig von der Masse des fallenden Körpers ist.…

Artikelnr.: 02504.00

Fangschalter

Fangschalter

Dieser Fangschalter dient zum Auffangen von fallenden Objekten. Durch den Aufprall wird ein Schaltkontakt ausgelöst. Dieses Signal kann als "Stop"-Signal an einen Zeitmesser gegeben werden.…

Artikelnr.: 02503.00

Kugelfallgerät

Kugelfallgerät

Messgerät zur Bestimmung der Fallzeit von Fallkörpern. Bestimmung der Erdbeschleunigung einer frei fallenden Kugel, mit hoher Genauigkeit Durch rein mechanische Halterung des Fallkörpers Vermeidun…

Artikelnr.: 02502.88

Acoustic Doppler effect with Cobra3

Versuch: Acoustic Doppler effect with Cobra3

Principle: If a source of sound is in motion relative to its medium of propagation, the frequency of the waves that are emitted is displaced due to the Doppler effect.…

Artikelnr.: P2150411

Centrifugal force with Cobra3

Versuch: Centrifugal force with Cobra3

Principle: A body with variable mass moves on a circular path with adjustable radius and variable angular velocity. The centrifugal force of the body will be measured as a function of these parameters…

Artikelnr.: P2131611

Chladni figures with FG-Module

Versuch: Chladni figures with FG-Module

Principle: To show the two-dimensional standing waves on the surface of a square or circular plate.…

Artikelnr.: P2150515

Coupled Pendula with Cobra3

Versuch: Coupled Pendula with Cobra3

Principle: Two equal gravity pendula with a particular characteristic frequency are coupled by a "soft" spiral spring. The amplitudes of both pendula are recorded as a function of time for various vib…

Artikelnr.: P2132511

Determination of ultrasonic velocity (sonar principle)

Versuch: Determination of ultrasonic velocity (sonar principle)

Principle: An ultrasonic transmitter emits sound pulses onto a reflector, from which recording of them by a receiver shows a time delay. The velocity of sound is calculated from the path length and tr…

Artikelnr.: P2152115

Forced Oscillations - Pohl's pendulum (Determination of resonance frequencies by Fourier analysis) with Cobra3

Versuch: Forced Oscillations - Pohl's pendulum (Determination of resonance frequencies by Fourier analysis) with Cobra3

Principle: If an oscillating system is allowed to swing freely it is observed that the decrease of successive maximum amplitudes is highly dependent on the damping. If the oscillating system is stimul…

Artikelnr.: P2132711

Free fall with Cobra3

Versuch: Free fall with Cobra3

Principle: The fall times t are measured for different heights of fall h. h is represented as the function of t or t2, so the distance-time law of the free fall results as h = 1/2 · g · t2. Then the m…

Artikelnr.: P2130711

Frequenz eines Fadenpendels

Versuch: Frequenz eines Fadenpendels

Die Schwingung eines Fadenpendels wird mit Hilfe einer Lichtschranke gemessen; dabei wird die Abhängigkeit der Frequenz von der Fadenlänge und der schwingenden Masse untersucht.…

Artikelnr.: P1330200

Harmonic oscillations of spiral springs - Springs linked in parallel and series

Versuch: Harmonic oscillations of spiral springs - Springs linked in parallel and series

Principle: The spring constant D is determined for different experimental set-ups from the oscillation period and the suspended mass.…

Artikelnr.: P2132611

Hooke's law with Cobra3

Versuch: Hooke's law with Cobra3

Principle: The validity of Hooke's Law is proven using various helical springs with different spring constants. In comparison, the behaviour of a stretched rubber band is examined, for which there is …

Artikelnr.: P2130111

Interference of acoustic waves, stationary waves and diffraction at a slot with PC interface

Versuch: Interference of acoustic waves, stationary waves and diffraction at a slot with PC interface

Principle: Two acoustic sources emit waves of the same frequency and if their distance is a multiple of the wavelength, an interference structure becomes apparent in the space where the waves are s…

Artikelnr.: P2150911

Kennlinie einer Schraubenfeder mit Cobra3 - Hooke'sche Gesetz

Versuch: Kennlinie einer Schraubenfeder mit Cobra3 - Hooke'sche Gesetz

Die Gültigkeit des Hook'schen Gesetz F = D · x wird für zwei Schraubenfedern mit verschiedenen Federkonstanten bestimmt. Die Längenveränderung der Feder wird als Funktion der angehängten Masse und dam…

Artikelnr.: P2130111

Laws of collision with Cobra3 and air track

Versuch: Laws of collision with Cobra3 and air track

Principle: The velocity of two gliders, moving without friction on an air-cushion track, are measured before and after collision, for both elastic and inelastic collision.…

Artikelnr.: P2130511

Laws of collision with Cobra3 and demo track

Versuch: Laws of collision with Cobra3 and demo track

Principle: The velocity of two gliders, moving without friction on an air-cushion track, are measured before and after collision, for both elastic and inelastic collision.…

Artikelnr.: P2130515

Moment of inertia and angular acceleration with Cobra3

Versuch: Moment of inertia and angular acceleration with Cobra3

Principle: If a constant torque is applied to a body that rotates without friction around a fixed axis, the changing angle of rotation increases proportionally to the square of the time and the angula…

Artikelnr.: P2131311

Moments of inertia of different bodies / Steiner's theorem with Cobra3

Versuch: Moments of inertia of different bodies / Steiner's theorem with Cobra3

Principle: The moment of inertia of a solid body depends on its mass distribution and the axis of rotation. Steiner's theorem elucidates this relationship.…

Artikelnr.: P2132811

Newton's second law with Cobra3 and air track

Versuch: Newton's second law with Cobra3 and air track

Principle: According to Newton's 2nd law of motion for a mass point, the relationship between mass, acceleration and force are investigated.…

Artikelnr.: P2130311

Newton's second law with Cobra3 and demonstration track

Versuch: Newton's second law with Cobra3 and demonstration track

Principle: According to Newton's 2nd law of motion for a mass point, the relationship between mass, acceleration and force are investigated.…

Artikelnr.: P2130315

Pendelschwingung - variables g-Pendel

Versuch: Pendelschwingung - variables g-Pendel

Ein Pendel wird fest mit dem Bewegungsaufnehmer für Cobra3 verbunden, der wiederum and die Cobra3-Basic-Unit angeschlossen ist. Durch einfaches Drehen des Bewegungsaufnehmers lässt sich die Schwingung…

Artikelnr.: P1337700

Pendulum oscillations with Cobra3

Versuch: Pendulum oscillations with Cobra3

Principle: Earth's gravitational acceleration g is determined for different lengths of the pendulum by means of the oscillating period. If the oscillating plane of the pendulum is not parallel to the …

Artikelnr.: P2132311

Resonance frequencies of Helmholtz resonators with Cobra3

Versuch: Resonance frequencies of Helmholtz resonators with Cobra3

Principle: Acoustic cavity resonators posses a characteristic frequency which is determined by their geometrical form. In this case the resonator is excited to vibrations in its resonance frequency by…

Artikelnr.: P2150811

Schallgeschwindigkeit in Luft mit Cobra3

Versuch: Schallgeschwindigkeit in Luft mit Cobra3

Die Schallgeschwindigkeit in Luft wird mittels einer Laufzeitmessung ermittelt. Dazu wird das Computerinterface Cobra3 mit einem empfindlichen Mikrofon benutzt.…

Artikelnr.: P2150311

Surface tension by the pull-out method with Cobra3

Versuch: Surface tension by the pull-out method with Cobra3

Principle: The force exerted on a measuring ring shortly before the liquid film is torn away is determined with a force meter. The surface tension is calculated from th diameter of the ring and the te…

Artikelnr.: P2140611

Ultrasonic Doppler effect

Versuch: Ultrasonic Doppler effect

Principle: If a source of sound is in motion relative to its medium of propagation, the frequency of the waves that are emitted is displaced due to the Doppler effect.…

Artikelnr.: P2152415

Untersuchung der Eigenschwingung von Luftsäulen

Versuch: Untersuchung der Eigenschwingung von Luftsäulen

Werden einseitig geschlossene Röhren, z.B. Reagenzgläser, an der Öffnung mit dem Mund angeblasen, so ertönt ein charakteristischer Ton. Dieser Ton wird mit dem Mikrofon aufgenommen und die Frequenz de…

Artikelnr.: P1336100

Velocity of sound in air with Cobra3

Versuch: Velocity of sound in air with Cobra3

Principle: The speed of sound in air is determined by measurements of sound travel times. …

Artikelnr.: P2150311

Velocity of sound using Kundt's tube with FG-Module

Versuch: Velocity of sound using Kundt's tube with FG-Module

Principle: A metal rod is made to vibrate longitudinally by rubbing it with a cloth. The gas column in a glass tube is caused to vibrate naturally as a result of resonance, through the radiation of so…

Artikelnr.: P2150615

Wavelengths and frequencies with a Quincke tube with FG-Module

Versuch: Wavelengths and frequencies with a Quincke tube with FG-Module

Principle: a sound wave of a particular frequency is divided into two coherent components (like, for example, light waves in an interferometer experiment), and if the path of one of the component wave…

Artikelnr.: P2150715