PHYS 1300 Lecture 29 Topic: Sound Applications and Ionizing Radiation Example from class: Beth sets her cars audio oscillator to 300 Hz and the speaker volume to a level which she judges to be 60 dB. The intensity of sound...
PHYS 1300 Lecture 27 Topic: Sound Example from class: What is the fundamental frequency of an air cavity that is open at one end only and has a length of 22 cm? The speed of sound in air is 340 ms ANSWER: Since this is the...
PHYS 1300- Lecture 28 Topic: Sound Question: The traces below show beats that occur when two DIFFERENT pairs of waves are combined. For which of the pairs of waves are combin...
PHYS 1300 Lecture 33 Topic: Review 1 : Vectors, 2D Kinematics, Uniform Circular Motion, Forces Textbook chapters 1-6 1. During the time that the tip of the minut...
PHYS 1300 Lecture 27 Topic: Sound Example from class: What is the fundamental frequency of an air cavity that is open at one end only and has a length of 22 cm? ...
PHYS 1300 Lecture 24 Topic: Waves Oscillation and Waves All waves are caused by oscillations Light Waves Oscillations of electric and magnetic field Sound Waves Oscillations of air particles Ripples on a pond oscillations ...
PHYS 1300- Lecture 28 Topic: Sound Question: The traces below show beats that occur when two DIFFERENT pairs of waves are combined. For which of the pairs of waves are combin...
PHYS 1300 Lecture 23 TOPIC: ELECTRIC CIRCUITS Resistors in Series When resistors are connected in series such that the same current travels through each one, the equivalent resistance is determined by: R eqR 1 R 2 R 3 Resi...
PHYS 1300 Lecture 34 Topic: Review 2 Momentum and Collision, Charges and Coulombs Law, Electric Potential Textbook chapters 7,8,1921 1. An unknown skier (A) of mass 71 kg slides down a slope and makes a completely inelasti...
PHYS 1300 Lecture 30 Topic: Ionizing Radiation Radioactive Decay All decay processes transform less stable nuclei into more stable ones Alpha Decay () Alpha decay is the release of an alpha particle, which is considered to...
PHYS 1300 Lecture 31 Topic: Ionizing Radiation Radioactive Decay Some nuclei exist for long periods before transforming through decay, while others transform very quickly Whether they transform slowly or quickly, all decay...
PHYS 1300 Lecture 26 Topic: Sound Review Question: A travelling wave on a string has an equation of the form y = 6sin (2 + 6x). It is reflected at an interface and the reflected wave has the form y= 6sin (2 6x). What is ...
PHYS 1300 Lecture 25 Topic: Standing Waves Wave Interference Wave interference refers to the overlap of two or more travelling waves Principle of Superposition When two or more waves overlap in space, the total displacemen...
PHYS 1300 Lecture 35 Review 3 Waves and Ionizing Radiation Textbook chapters 13,14 and 24 1. The tenth value layer (thickness that attenuates gamma rays by a factor of 10) of steel for Co gamma ways is 7.3 cm. What is the ...
PHYS 1300 Lecture 32 Topic: Ionizing Radiation Radiation and Tissues When the tissues encounter aloha and beta particles, they can be easily stopped. However, when they are encountered with gamma rays, it is not stopped, i...
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