Physics question and answers for August 11, 2023
- Q A person jumps odd the top of a building which is 12 metresabove ground. She is attached to the end of the bungie cord (a bigrubber band) that has an...
- Q In the Force lab, we use a small lab car with mass m=5 Kg, theexperiment is on a horizontal table, on the car is acting a pullingforce F= 20 N...
- Q (Practical magnetism) As we will see in lab, the magnitude ?? ofthe magnetic field of a permanent magnet drops with distance d sothat ?? ∠1/? 2 when d is...
- Q A physics book was thrown from the top of a library with a speedof 8.0 m/s at angle 60o with the horizontal. After 5 seconds, thebook hits the ground:(a) Find...
- Q The cube in the figure below has 5 sides grounded and the otherside is held at a potential Vo. What is the potential at the centerof the cube?P.S. \"The other...
- Q A wheel, released from rest, is rotating with constant angularacceleration. After 8.0 seconds, its speed reaches to 12 rev/sec(a) what is its angular acceleration? (b) Through what angle hasthe wheel...
- Q The tires of a car make 92 revolutions as the car reduces itsspeed uniformly from 87.0 km/h to 61.0 km/h. The tires have adiameter of 0.86 m.Part A) What was...
- Q A mass weighing 8 lb stretches a spring 1/2 foot. Then mass isinitially released from rest at a point 1foot above the equilibrium.a) Solve the equation of motion with no...
- Q Explain how the Scientific Revolution, including the so-calledCopernican Revolution, and its validation via Galileo’sastronomical observations impacted Aristotle’s realist empiricistepistemology.
- Q We’re going to think about other possible sources for magneticfields. Recall that the source of magnetic fields in permanentmagnets is aligned electron orbits(electrons going in circles allthe same direction so...
- Q Transverse waves on a string have wave speed v = 8.00 m/s,amplitude A = 0.0700 m, and wavelength λ = 0.320 m. The wavestravel in the -x direction, and at...
- Q a) Calculate, in units of â„, the magnitude of the maximum total(orbital+spin) angular momentum for an electron in a hydrogen atomfor states with a principal quantum number of 5.b) An...
- Q A membrane is fouled with a layer of bacteria (a bioflim). Thewater permeability of the biofilm is 2 x 10-12 mol ms-1 m-2 atm-1 and is 21 μm thick.The membrane...
- Q ((((--Please type the answers because it is difficult to readdifferent hand writings! ))))A- Why do we use electronic and computerized instrumentationin this laboratory, and not something less complex?B- In your...
- Q Determine the force (in the lab frame) between two chargesmoving with the same velocity V. What is the ratio oftransverse-to-longitudinal force? Explain what happens to thisratio when the two charges...
- Q In the perfectly elastic case, is there another mathematicalexpression for the velocities that conserves both momentum andenergy? If so, what is it, and why do we neglect this possibility?If not,...
- Q For astronomy class, please answer this question clearly, thankyou .Titan’s atmosphere contains a large amount of photosensitivemethane. We know because of basic physics and chemistry that theremust be a source...
- Q A soap film (n = 1.33) is formed in a loop of wire that ismounted vertically is not exactly uniform in thickness because ofits weight, but wedge-shaped in cross section....
- Q The potential energy of a magnetic moment in an externalmagnetic field is U = - ??B. U is smallest when B is parallel to ?and largest when it is antiparallel....
- Q Simple harmonic motion:A ball dropped from a height of 4.00m makes an elastic collisionwith the ground in a vacuum chamber. a) What is the differencebetween the kinetic energy of the...
- Q Derive the Red Shift in the F.L.R.W. metric andobtain Hubble' s law.
- Q You baked two cakes: one in a light aluminum pan and onein a heavy pyrex pan. Please Match each of the four with eitherPyrex or Aluminum as the answer1. The...
- Q Hellothis question is for my physics homework\"display knowledge of static and kinetic coefficients of friction,and calculate one of them to solve a problem\"Please answer it fastthank you
- Q Q1A potential difference of 13 V is found to produce a current of0.45 A in a 3.1 m length of wire with a uniform radius of 0.36 cm.Find the following...
- Q A plane parallel-plate capacitor consists of two identicalcircular metal plates, each of radius 2.50 cm. the plates separatedby 1.00 micrometer. Thecharge on the capacitor is 3.50 nC. Values of standard...
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