Physics question and answers for September 25, 2023
- Q (i) Explain the term half life. (ii) Explain how radioactivecarbon dating works . (iii) The shroud of Turin is reputedly theburial garment used to wrap the body of Jesus 2000...
- Q A meter stick has a mass of 0.12 kg and balances at its center.When a small chain is suspended from one end, the balance pointmoves 29.0 cm toward the end...
- Q Which requires more work, lifting a 25 -kg load a verticaldistance of 8.5 meters or lifting a 15-kg load a vertical distanceof 17 m?
- Q I need new and unique answers, please. (Use your ownwords, don't copy and paste), Please Use your keyboard(Don't use handwriting) Thank you..talk in 500-520 words about (shear wave elastography)
- Q 1. How much work does the electric field do inmoving a -8.6
- Q Review Problem. Sir Lost-a-Lot dons his armor and sets out fromthe castle on his trusty steed in his quest to improvecommunication between damsels and dragons (Fig. P12.20).Unfortunately his squire lowered...
- Q in an experiment, 60g of ice at -18C is mixed with 9g of steamat 130C (at 1 atm pressure). Neglecting any heat exchange with thesurrounding.(a)Determine the final state of the...
- Q 1 (a). Examine. with practicals examples, the general form of aparticle undergoing sinmple harmonic motion and carefully explainall the associated terms
- Q define schnell's law of reflection and refraction (based on Huygenslaw) for three different cases : n1=n2, n1>n2,n1<n2 ( adddrawing)
- Q How does the ideal disposition of the four forces in an aircraftrelate to the nose-up or nose-down pitching moments? What are thedifficulties that the pilot can face to maintain such...
- Q A satellite of mass 1,500 kg is placed in a circular Earth orbitat a height, h, above the surface. It is launched from TreasureIsland in the SF Bay at 37...
- Q Rockets can be spin-stabilized; that is, they can fly straighterthrough space if they rotate around their long axis. Generally, 1rotation per second is a good angular speed forspin-stabilization.a. Assume the...
- Q A parallel plate capacitor with plate separation d is connectedto a battery. The capacitor is fully charged to Q Coulombs and avoltage of V. (C is the capacitance and U...
- Q A truck of mass M and a bike of mass m approach a stop sign on arainy day. As they approach the stopsign, both vehicles aretravelling with speed vo. When...
- Q A material particle with mass M moves under the gravitationaleffect of the earth. Solve the Hamilton-jacobi equation of theparticle.
- Q The volume of a gas was increased by factor of two. What is thechange in its density?
- Q i) A circular coil with radius 20 cm is placed withit’s plane parallel and between two straightwires P and Q. The coil carries current Icoil = 0.5A . Icoil is...
- Q Question 12Briefly explain the following:(a) The Balmer jump(b) The Lyman limit(c) The 4000Ã… break(d) A forbidden transition(e) The hydrogen hyperfine transition producing 21cmradiation
- Q A constant force acts on a 600kg mass for 68s. The velocity ofthe mass is 10m/s before the force is applied. Its final velocityis 44m/s. What change in momentum does...
- Q I need new and unique answers, please. (Use your ownwords, don't copy and paste), Please Use your keyboard(Don't use handwriting) Thank you..talk in 500-520 words about (shear waveelastography)Use your own...
- Q during a baseball game, a batter hits a foul ball down the leftfield foul line. while being hit 0.762 m above the ground, the ballwas given a velocity of 33.53...
- Q A mass resting on a horizontal, frictionless surface is attachedto one end of a spring; the other end is fixed to a wall. It takes3.7 J of work to compress...
- Q 3. A positive point charge q = +3 µC is placed on the y axis aty = +5 cm. A negative point charge -q = -3 µC is placed at...
- Q An iron boiler of mass 180 kg contains 730 kg of water at 11 ∘C.A heater supplies energy at the rate of 58,000 kJ/h. The specificheat of iron is 450...
- Q Answer briefly the following.a) What is a primitive cell and write the basic simple cellnames.b) Write the symmetry operations in crystals.c) Write the diffraction condition in the Brilloun region with...
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