Physics question and answers for September 03, 2023
- Q Chlorine is an unusual element in that it has two abundantstable isotopes, Cl-35 and Cl-37, constituting, respectively, about76% and 24% of natural chlorine. The masses of these isotopes inunified atomic...
- Q As per in the title. If it turns out that neutrinos do travelfaster than the speed of light, how will the success of specialrelativity be explained? My apologies if this...
- Q A blacksmith heats a 1.4 kg iron horseshoe to 500?C , thenplunges it into a bucket containing 20 kg of water at 15?CWhat is the equilibrium temperature?Express your answer using...
- Q A certain crystal is cut so that the rows of atoms on itssurface are separated by a distance of 0.352 nm. A beam ofelectrons is accelerated through a potential difference...
- Q hey i need perfect answer to following query. Needs 200words for complete query. i need typed solution . Don't post anypic in solution.Describe some important changes you would suggest to...
- Q Using the following equation: x = (8P/9M)^1/2 * t^3/2, Draw agraph of position vs time, when P=800W, P= 400W and P = 200W and M= 1632.6kg. Also draw a graph...
- Q Two lenses are separated by L = 50.0 cm. The first lens (lightcoming from the left.) has a focal length f1 = 24.0 cm and thesecond lens has a focal...
- Q Four identical point charges of magnitude q = 3.2 nC are placedat the corners of a rhombus of edge length l = 22 cm and obtuseangle θ. We intentionally leave...
- Q 1Write a few sentences addressing each of these prompts.In your own words, what is the difference between electricforce, electric field, and electric charge? You may find it easierto describe how...
- Q A thin nonconducting rod with a uniform distribution of positivecharge Q is bent into a circle of radius R (see the figure). Thecentral perpendicular axis through the ring is a...
- Q Assume that mountains higher than 10 km do not exist on Earthbecause bigger mountains could not be supported by the strength ofrock at their bases. The pressure at the middle...
- Q You have three capacitors: C1 = 1500. μF, C2 = 2400. μF, and C3= 3600. μF. Find Ceq for a) all in series b) all in parallel c) c1and c2...
- Q 1.00 moles of a gas is at a temperature of 273 Kelvin and has apressure of 1.00x105Pa.What is its initial volume?STEP 1: Its pressure is doubled while keeping its volumeconstant....
- Q Describe an experiment using an ideal calorimeter.
- Q When energy enters your home does the energy need to be chargedfrom ac to dc first before entering your phone or dc to ac? Notsure if I am asking this...
- Q Givens (Questions 1
- Q A drinking fountain shoots water about 14 cm up in the air froma nozzle of diameter 0.60 cm. The pump at the base of the unit (1.1m below the nozzle)...
- Q A photon propagating in the x direction with an energy of 1.00Mev is incident on a free electron and Compton scattering occurs sothat the scattered photon makes an angle of...
- Q A cube has sides of length L = 1.00 mm. One corner is at theorigin. The nonuniform electricfield is given by E~ = (19.00N/C ·m) x ˆi−(1.34N/C ·m) zˆk. (a)...
- Q A 7.2 kg block with a speed of 10 m/s collides with a 19 kgblock that has a speed of 5.4 m/s in the same direction. After thecollision, the 19...
- Q A wire containing a charge of λ Coulombs per unit length isembedded along the axis of a cylinder of dielectric material. Thereis no free charge inside the dielectric. The composition...
- Q Robot No. 5 (mass 273kg) and Prisoner No. 6 (mass 66kg) stand ona frictionless ice rink, both holding a rope. The robot is at x =−3m and the prisoner is...
- Q Two identical probes are sent along the same path toward aneutron star. A neutron star is very dense, packing as much as 2solar masses2 solar masses into a sphere with...
- Q Problem 3: Double-slit experiment The monochromatic lightdiffracts on the two slits which are 0.1 mm apart (their size isnegligible) and produces an interference pattern on the wall whichis 3 m...
- Q ESSAY QUESTIONS 8 Define the concepts of energy, work and powerand explain how they are related. Provide an example of aconceptual physics problem that might involve all threefactors.
- Q Consider three identical metal spheres, A, B, and C. Sphere Acarries a charge of +9q. Sphere B carries a charge of-q. Sphere C carries no net charge. Spheres A and...
- Q Please answer in detail the discussions questions below.1. Why do optical fibers have a minimum bend radius? What mighthappen if this minimum bend radius is exceeded?2. Find or create your...
- Q Two capacitors C1 = 5.1 ?F, C2 = 19.8 ?Fare charged individually to V1 = 14.9 V, V2 =3.4 V. The two capacitors are then connected together in parallelwith the...
- Q Two football players collided on the field, and both went flyingbackwards. Energy was transferred from each player to the other,sending them in the opposite direction from which they had beenrunning.tell...
- Q A woman isriding a Jet Ski at a speed of 30 m/s and notices a seawallstraight ahead. The farthest she can lean the craft in order tomake a turn is...
- Q .How does the velocity of air moving over the top of the wing ofan airplane in flight compare to the velocity of air moving underthe wing. explain the answer using...
- Q Tarzan has foolishly gotten himself into another scrape with theanimals and must be rescued once again by Jane. The 60.0 kg Janestarts from rest at a height of 5.50 m...
- Q The temperature of 2.00 mol of an ideal monatomic gas is raised15.0 K at constant volume. What are (a) the work W done by the gas,(b) the energy transferred as...
- Q A resistor with 830? is connected to the plates of a chargedcapacitor with capacitance 4.60?F . Just before theconnection is made, the charge on the capacitor is 7.00mCPart AWhat is...
- Q A 25 g glass tumbler contains 200 mL of water at 24°C. If two 15g ice cubes each at a temperature of -3°C are dropped into thetumbler, what is the...
- Q A motor cycle stuntman drives off a cliff at 80 mi/hr and hitsthe safety net 2.9 s later. How high was the cliff and how far isthe net from the...
- Q A crate is given a push such that it has an initial speed of 5.2m/s headed up a 15 degree incline. If the crate travels 3.5m up theincline before reversing...
- Q A 35.0-g object connected to a spring with a force constant of40.0 N/m oscillates with an amplitude of 6.00 cm on a frictionless,horizontal surface.(a) Find the total energy of the...
- Q 12. A simple pendulum is made of ahollow spherical bob full of mercury and suspended by a thinstring. If the mercury begins to leak from the small hole at itsbottom,...
- Q The pre-2000’s-style television sets were based on cathode raytube (CRT) technology. A CRT is a vacuum tube that operates byheating an internal metal filament (the cathode) to a hightemperature so...
- Q a 2.34-kg cart on a long, level, low friction track is headingfor a small electric fan at 0.21 m/s. The fan which was initiallyoff, is turned on. As the fan...
- Q Suppose two highly precise, identical clocks are synchronizedand one clock is placed at the North Pole and one clock is placedat the equator. After 100 years, how much will the...
- Q A block of mass 0.5 kg is pushedagainst a horizontal spring of negligible mass, compressing thespring a distance of Δx as shown in Figure 5. The spring constantis 450 N/m....
- Q A solid wood door 1.00 m wide and 2.00 m high is hinged alongone side and has a total mass of 45.0kg . Initially open and atrest, the door is...
- Q You want to use the idea of electromagnetic induction to makethe bulb in your small flashlight glow; it glows when the potentialdifference across it is 1.5 V. You have a...
- Q What is the relationship between the frequency of light and itscolor?
- Q The active element of a certain laser is made of a glass rod29.0 cm long and 1.40 cm in diameter. Assume the averagecoefficient of linear expansion of the glass is...
- Q In the figure, three 0.03 kg particles havebeen glued to a rod of length L= 9 cm and negligible mass and can rotate around aperpendicular axis through point O at...
- Q A defibrillator delivers a jolt of electrical energy to restarta heart that is either stopped or undergoing ventriculardefibrillation -- a rapid irregular beating. This energy issupplied by a charged capacitor...
- Q A baseball pitcher throws a pitch horizontally from a height of6 feet with an initial speed of 130 feet per second. a) find avector valued function describing the position of...
- Q A demented scientist creates a new temperature scale, the \"Zscale.\" He decides to call the boiling point of nitrogen 0 ?Z andthe melting point of iron 1000 ?Z.Part AWhat is...
- Q IP A charging bull elephant with a mass of 5100kg comes directly toward you with a speed of 4.50 m/s . You toss a0.200-kg rubber ball at the elephant with...
- Q i). How far a driver travel in 80 min. along a straight road ifhis average velocity is 90 Km/h.II). If the position of moving an object is given by ?(?)...
- Q Describe the Davission-Germer experiment by using theschematic diagram to show electron diffraction.
- Q Assume the average home requires an electrical power of 1.2kW,an average life expectancy of 75 years, and only power from nuclearenergy. For such a homeowner, what would be the lifetime...
- Q True/False. Mark your answers to the left of eachquestion.a. Two solid spheres with the same diameter but different masseswillexperience the same acceleration when dropped from the sameheight.b. A load being...
- Q Please explain and give an example:Solving linear and quadratic equations.Please type answer do not hand write. Thankyou.
- Q A heat conducting rod, 1.60 m long, is made of an aluminumsection, .9 m long, and a copper section, .7 m long. both sectionshave a cross-sectional area of .0004 m2....
- Q A cell membrane has a resistance and a capacitance and thus acharacteristic time constant.What is the time constant of a 8.3 nm -thick membranesurrounding a 3.6×10−2 mm -diameter spherical cell?...
- Q Suppose two parallel lines of current are 0.85A and 0.35A in thesame direction, with the centers of their wires 21cm apart. A-2.04nC particle is fired at 3500m/s in the same...
- Q Two long, charged, thin-walled, concentric cylindrical shellshave radii of 3.9 and 9.4 cm. The charge per unit length is 6.8 ×10-6 C/m on the inner shell and -8.5 × 10-6C/m...
- Q A record of travel along a straight path is as follows: 1. Startfrom rest with constant acceleration of 2.65 m/s2 for 16.0 s. 2.Maintain a constant velocity for the next...
- Q A series RLC circuit consists of a 56.0 ? resistor, a3.80 mH inductor, and a 400 nF capacitor. It is connected to a 3.0kHz oscillator with a peak voltage of...
- Q 3. Frequency and wavelength are both in your equation for speed.Why is it that, when you changed the frequency, you did not changethe speed of the wave?
- Q Answer ThoroughlyStep 1 – What are the major primary airpollutants and their sources?Step 2 - What are the secondary pollutants, andhow are they formed?Step 3 – Distinguish between emissions andambient...
- Q Federal fundingagencies must form committees to decide which telescope projectswill receive funds for construction. When deciding whic projectswil be funded, the committees must consider:that certain wavelengths of light are blocked...
- Q Hockey puck B rests on a smooth ice surface and is struck by asecond puck A, which has the same mass. Puck A is initiallytraveling at 16.0m/s and is deflected...
- Q 1. Ona planet where the gravitational acceleration is g=10 m/s², a solidcube of wood measuring one foot on each edge exerts a uniformpressure of 3048 Pa on a flat tabletop...
- Q Discuss Einstein and Planck's collaborative work on thephotoelectric effect and their differing views about whetherscience research is removed from social and political forces.
- Q A lens has a power of -1.72 D. You look through it a 1.00-cmlong leaf held 33.34 cm from the lens. Calculate the image height,hi, in cm, including the correct...
- Q The rotor in a certain electric motor is a flat, rectangularcoil with 89 turns of wire and dimensions 2.57 cm by 4.20 cm. Therotor rotates in a uniform magnetic field...
- Q Suppose A=(7B^n)/(CD), where A has dimensions [T]/[L]^3, B hasdimensions [T], C has dimensions [T][M]^2, and D has dimensions[L]^3/[M]^2. Using dimensional analysis, find the value of theexponent n.
- Q A WCU student, who is snowboarding at Cataloochee, slideshorizontally off the ledge of snowbank that is 1.25 meters abovethe ground.  When she leaves the ledge, she is initiallymoving horizontally at...
- Q 1 point) A truck starts from rest and accelerates at1?/?2 . 6 s later, a car accelerates from restat the same starting point with an acceleration of2.7m/s2 .a) Where and...
- Q explain in simple terms the postulates of the specialtheory of relativity
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