Fizik Ödev Yardımı
Fizik, tüm doğa bilimleri arasında çok önemli bir konudur, yaşamın harikalarını açıklamak için kullanılır ve aynı zamanda çalışılması en zor konulardan biridir.
QuestionAI, etkileşim halindeki kuvvetler altındaki moleküllerin eşlik eden yörüngeleri ile her bir atom ve onun özellikleri hakkında bilgi edinebileceğiniz, fiziğe yeni başlayanlar için zengin ve kolay bir fizik problemi çözücüdür. Elbette galaksiler arasında saklı sırları diğer fizik meraklılarıyla da keşfedebilirsiniz. Tahminlerinizi ve sorularınızı yapay zekaya cesurca yöneltin; kolayca güvenilir yanıtlar bulacaksınız.
- 20) Action potential occurs in a) milliseconds b) multiseconds c) nanoseconds d) microseconds e) seconds
- (c) (9) 14) Which of the following statements about some passed waves is incorrect? a) The loudness of a sound relates the intensity of any given sound to the intensity at the threshold of of hearing. b) The intensity of a sound is the power of the sound in Watts divided by the area the sound covers in square meters. c) The unit for the loudness is the phon which is normalized to the intensity at the fixed frequency of f=1Hz d) The frequency of a sound wave is associated with our perception of that sound's pitch. e) Timbre describes those characteristics of sound which allow the car to distinguish sounds which have the same pitch and loudness. 15) The two important functions of the inner car are: a) I: Hearing II:Transduction b) I: Balance II:Transduction c) I: Hearing II:Response d) I: Protection II: Reception c) I: Hearing II: Balance 16) Action potentials occur when the local potential a) becomes more negative. b) reaches zero c) reaches the threshold d) remains constant for a considerable period of time e) causes a hyperpolarization 17) Which of the following statements about action potential is incorrect? a) Action potential will either be generated or not b) Supratreshold stimulus will not elicit action potential c) Action potentials are only generated by muscle cells and neurons d) Action potential is a brief change in membrane potential from resting to hyperpolarization e) Action potentials either happen completely or no at all due to all or none principle.
- What is the voltage across a 4.5-mu F capacitor if the charge on one plate is 0.12 mC? How much energy is stored?
- (a) Calculate the charge stored on a 3-pF capacitor with 20 V across it. (b) Find the energy stored in the capacitor.
- [3] A 25 kg chair initially at rest on a horizontal floor requires a 165 N horizontal force to set it in motion. Once the chair is in motion, a 127 N horizontal force keeps it moving at a constant velocity. a. Find the coefficient of static friction between the chair and the floor. b. Find the coefficient of kinetic friction between the chair and the floor.