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.
- u=o 7.A helicopter is hovering at rest above horizontal ground at the point H.A parachutist steps out of the helicopter and immediately falls vertically and freely under gravity from rest for 2.5s.His parachute then opens and causes him to immediately decelerate at a constant rate of 3.9ms^-2 for T seconds (Tlt 6) , until his speed is reduced to Vms^-1 . He then moves with this constant speedVms^-1 until he hits the ground. While he is decelerating he falls a distance of 73.75 m. The total time between the instant when he leaves H and the instant when he hits the ground is 20 s. The parachutist is modelled as a particle. (a) Find the speed of the parachutist at the instant when his parachute opens. (1) (b) Sketch a speed-time graph for the motion of the parachutist from the instant when he leaves H to the instant when he hits the ground. (2) (c) Find the value of T. (5) (d) Find, to the nearest metre,the height of the point H above the ground. 1 b
- 220/55V Cekirdek tipi i bir fazI bir transformatórde a=2,5cm,b=3cm,c=1 n(verim)=% 96,j=2,5A/mm^2,e=% 4,f=50Hz B=12000Gaus (bùitùn sonuclar da virgülden sonra I rakam alln,pi =3,14alln)N1=?(yaklasik) a . 1243s ipir b . 1432 sipir C . 1325 sipir d . 1101sipir e . 858 sipir
- 2-39 Water is being heated in a closed pan on top of a range while being stirred by a paddle wheel. During the pro- cess, 30 kJ of heat is transferred to the water,and 5 kJ of heat is lost to the surrounding air.The paddle-wheel work amounts to 500Ncdot m Determine the final energy of the sys- tem if its initial energy is 10 kJ Answer:35.5 kJ
- Tim de l'evoe ience __ __ 1. Déterminer le but de cette expérience. __ 2. Justifier l'utilisation du bain marie à 37^circ C __ 3. Comparer les résultats obtenus dans les deux tubes. __ ......................................................................
- tand so that it cannot topple over. The object must be positioned so that it cannot cause injury as it falls. CHECKPOINT Estimate the speed at which a coconut from the tree in fig A would hit the sand. x How fast would a fountain need to squirt its water upwards to reach a height of 15 m? How fast would a snowboarder be moving if he slid down a slope dropping a vertical height of 45 m? ) How high will a 48 kg trampolinist rise if he leaves the trampoline at a speed of 6.1ms^-1 5. What assumption must you make in order to answer all of the above questions?