Physics question and answers for August 09, 2023
- Q EXPERIMENT LINEAR AIR TRACK1)In the experiment to investigate Newton's second lawof motion by using linear air track,explain the function of eachapparatus used,which are air track rail,blower,pressuretubr,gliders,flag,photogate,string and pulley.2)Why do we...
- Q Assuming all other factors remain the same, if pulse repetitionfrequency increases discuss what will happen to the spatial pulselengthAs frequency increases comment on what happens to backscatter
- Q A particle moves in the xy plane with constantacceleration. At t = 0 the particle is at r1 =(4.0 m) + (3.0 m), with velocity 1. At t = 3...
- Q Consider E as function of the volume and temperature. Write downand expression for dE(V,T). Identify the partial derivatives interms of known / measurable quantities if possible.
- Q Question 4The sea water (RD=1.03) level on one side of a sea lock is 3.5mhigh.Determine the force on the 5m wide sea lock and also thelocation of this force from...
- Q In your own words, describe the evolution of the Sun (frominterstellar cloud to white dwarf). A H-R diagram must be drawn,and key aspects must be described in detail. You may...
- Q mearth=5.9742×10^24kgrearth=6.3781×10^6 mmmoon=7.36×10^22kgrmoon=1.7374×10^6mdeath to moon=3.844×10^8m center to centerG=6.67428×10^-111700 kg satellite is orbiting the Earth in a circularorbit with an altitude of 1700 km1) how much energy does it take to get...
- Q A 10.0 pF (picofarad - pico = 10^-12) is connected to a 12.0 Vpower supply. What is the energy stored in this capacitor?
- Q Please answer both partsQ.1a) What is triple alpha process ? (50 words)b) why is a temperature of 10^8 K is required for theinitiation of the triple alpha process . Especially...
- Q Describe how to turn a negative photoresist into a positive.
- Q Two stationary positive point charges, charge 1 of magnitude3.85 nC and charge 2 of magnitude 1.65 nC , are separated by adistance of 48.0 cm . An electron is released...
- Q Describe how direct and indirect digital detectorscreate an image. In what way are they different?
- Q A mass of 0.30 kg on the end of a spring oscillates with aperiod of 0.45 s and an amplitude of 0.15 m . A) Find the velocitywhen it passes...
- Q On planet Jerousek, which has almost no atmosphere, theacceration due to gravity is 10.5 m/s2m/s2.A projectile is launchedfrom the top of a steep hill with an initial velocity of 30...
- Q a) A(n) 85-g ice cube at 0°C is placed in 920 g of water at20°C. What is the final temperature of the mixture?b) A 103-g cube of ice at 0°C...
- Q Determine the position of the Fermi energy level as afunction of the concentrations of dopant atoms added to thesemiconductor.
- Q A 0.55 kg basketball strikes a smooth floor at 4.0 m/s[20° belowthe horizontal] and rebounds at 4.0 m/s[20°above thehorizontal].a) Find the horizontal impulse acting on the ball.b) Find the vertical...
- Q a. mention and explain the characteristics of thelaser beam that distinguishes it from general lightb. write a summary of the working principles of the laser accordingto the assignment about the...
- Q Newton’s 2nd Law experiment using an inclined plane Purpose Thislab experiment is to verify Newton’s second law and in the processalso obtain the coefficient of kinetic friction between a block...
- Q A turntable is off and is not spinning. A 1.5 g ant ison the disc and is 18 cm away from the center. The turntable isturned on and 1.4 s...
- Q A naval gun aboard a ship is mounted so as to fire at 30â—¦abovethe horizontal.Shells fired from this gun have a muzzle velocity of0.35km/s. The ship makesa direct approach toward...
- Q Looking at a football match, which of the following describes anevent CONSISTENT with the study of Classical Mechanics?a) The ball gains speed by bouncing into a puddle after a playerkicks.(b)...
- Q How do exposure factors differ when comparingconventional analog to CR/DR?
- Q Two objects are said to be in parallel when they both act on thesystem in the same way, e.g., two forces are in parallel if theyhave the same direction and...
- Q 1. If a concave mirror has a focal length of 20 cm, at whichobject distance will an image larger than objects be formed onscreen?a.) 40 cm b.) 30 cm c.)...
- Q More than anything I need 5 - 7 of this homework. You have beenasked by your supervisors at A&L Engineering to design a rollercoaster for a new theme park. Because...
- Q What is the difference between Eo and E1/2?What is the role of salt bridge in galvanic cells?. What are the three electrodes employed in voltammetry? Andwhat is their functions?
- Q An experiment in which 44.00kJ of heat is added to a cube ofmetal with initial side length 1.00m and temperature 300.K isperformed twice, once with a copper cube and once...
- Q 10.An AC voltage source is connected in series to an inductor, acapacitor, and a resistor of 8 Ohms. At the frequency when thephase angle is zero, capacitive reactance is 7...
- Q Please explain your answer thoroughly because I want tounderstand it well and also please include a diagram ifpossibleTwo objects which have mass: m1 = 10kg and m2 = 20kg. Both...
- Q Positive charge A of charge 0.1 mC is placed at the origin ofaxis x, charge B, also positive, but of magnitude 4 times greaterthan A is placed at x=24.3 cm....
- Q An object is being carried that has a mass ML = 50kg. Thatobject's length is L = 10m. One person is lifting the object at theend of the object. The...
- Q please give me a long example about \" impulse\" and a long exampleabout \"momentum\" PLEASE DONT COPY AND PASTE ANYTHING FROM THEINTERNET. give me an example from your own. thank...
- Q In the figure below, the hanging object has a mass ofm1 = 0.400 kg; the sliding block has a mass ofm2 = 0.810 kg; and the pulley is a hollowcylinder...
- Q Write a description of all Newton’s Law, including anyequations associated. For each law, provide a real-lifeexample.
- Q Prove velocity in a rotational frame.
- Q 1) How do we know that an object performs a simple harmonicmotion?2) Is the movement of a pendulum a simple harmonic movement?Explain3) Are there other types of pendulums that perform...
- Q A runaway train speeds horizontally off a 500.0-m-high cliff.Ignore air resistance for all parts. (a) How long does the trainspend in the air? (b) How fast did the train leave...
- Q If we recreated the scene from Fast & Furious 7 and droppeda Challenger SRT® Hellcat Redeye Widebody from a C-130 aircraft at5,280 ft, how much horsepower would it take to...
- Q A cannonball is launched with a velocity of 52.5 ms at an angleof 47.2â—¦ above the horizontal on a flat firing range. Ignoring airresistance for every part, determine (a) the...
- Q Discuss how basic science, applied science, mathematics, andtechnology are related and how they depend on oneanother.
- Q Proton moving with V=2*106 m/s speed in a magnetic field of B=3T is under the effect of 4*10-12 N force. What is the angle between the magnetic field and the...
- Q Imagine that you are in a rowboat with a crate of fruit. You arehaving a lovely time with our crate, but when you row the boat tothe middle of the...
- Q A 0.100 mm-wide slit is illuminated with plane waves from ahelium-neon laser of wavelength 0.699 microns. Find the distancefrom the zeroth-order maximum to the first two irradiance nullsin mm when...
- Q . A jeep is traveling on a straight road and it leaves ajunction at time t = 0 second. It is then accelerates at 4 m/s 2for 4 seconds. Suddenly,...
- Q What is harmonic vibration? Why we needed it ?
- Q In a game of basketball, a forward makes a bounce pass to thecenter. The ball is thrown with an initial speed of 4.3 m/s at anangle of 15 ∘ below...
- Q （please type not handwrite）astronomy5. Carefully describe Saturn’s moon Titan. The length of yourdescription should be 1/2 page
- Q Anunpolarized, cylindrical beam of light with an intensity of 12000W/m² and a radius of 1 cm passes through two polarizing filtersthat differ in angle by 30° before striking the center...
- Q What are the different ways that I can minimize error inoscillation of a rolling sphere in a bowl lab?
- Q The situation is: using two gliders, 4 collisions on a lineartrack are observed. In each collision, the initial speed of glider2 is zero. Collisions 1 and 2 use an elastic...
- Q A train at a constant 48.0 km/h moves east for 42.0 min, then ina direction 47.0° east of due north for 27.0 min, and then west for52.0 min. What are...
- Q 1.It takes light 8 minutes and 20 seconds to reach the Earthfrom the Sun. The speed of light in a vacuum is a constant at3×108??. Assume Earth’s orbit is circular.a.Whatis...
- Q Two charged particles are located in the X-Y plane.Particle 1 carries -0.200 uC of charge and is located at x= 3.55m and y = 1.21 m.Particle 2 carries 0.920 uC...
- Q A spring is hanging motionless from the ceiling of a room on theearth. You attach a mass to the end of the spring and afterreleasing the mass, you observe that...
- Q A neutron combines with a carbon nucleas in an elasticcollision. The carbon is at rest and the neutron travels at a speedof 2.6x10^6 m/s. The mass of carbon nucleus is...
- Q a) You wish to melt a 3.0-kg block of aluminum, which hasalready been heated to 660ºC. How much heat is required to melt thealuminum? (the textbook lists the latent heat...
- Q 1. A collision in which two bodies remain joined together afterthe collision is referred to as.2. A 0.5 kilogram cart moving at 0.360 m/s hashow much momentum3. If the 0.5kg...
- Q Water makes life possible as a solvent for biological molecules.What electrical properties allow it to do this?
- Q Standby power (sometimes called vampire power) is thepower used by a device that is off but plugged in and in a standbymode. Regulations typically limit this power to 1 Watt....
- Q How does the Doppler effect aid police in detecting speedingmotorists?
- Q A 5.80-g lead bullet traveling at 600 m/s is stopped by a largetree. If half the kinetic energy of the bullet is transformed intointernal energy and remains with the bullet...
- Q A 2.40-m-long pulse is travelling at a speed of 5.75 m/s in aspring. How long does it take the pulse to pass any point on thespring?
- Q A 30.0-g object moving to the right at 20.5 cm/s overtakes andcollides elastically with a 11.0-g object moving in the samedirection at 15.0 cm/s. Find the velocity of each object...
- Q You are holding your physics book against the wall by pressingon it with a force directed straight into the wall.(a) You are pressing hard enough so that the book doesn’t...
- Q a)prove the derivative of a tensor is a tensorb.) prove that the the direct product of two tensors is atensor
- Q Identify the synthesis method that has the best chance to yieldnanoparticles of a uniform size. For comparison, also identifywhich method we covered that you believe is the least likely toyield...
- Q One non-powered sled is sliding over a snowed surface, firstdown from the top of a flat and inclined plane using only gravityand no initial speed and then it continues to...
- Q Think of a Newtonian cradle made of only two marbles. These twomarbles of masses m1 and m2 are each suspended by identicalstrings. The strings are initially both vertical so the...
- Q Assume a galaxy forms its stars in a single rapid burst, with aSalpeter initial mass function extending from 0.1 to 100 Msun.After 10 Gyrs have passed, divide the surviving stars...
- Q Light of wavelength 600 nm passes though two slits separated by0.25 mm and is observed on a screen 1.3 m behind the slits. Thelocation of the central maximum is marked...
- Q An initially uncharged hollow metallic sphere with radius of 5cm has a small object with a charge of +10 mC carefully placed atthe center of the sphere through a hole...
- Q You bungee jump from a point 50 [m] off the ground with a massof 75 [kg] using a bungee cord with an unstretched length of 16 [m]and a spring constant...
- Q Some people believe that the Moon controls their activities. TheMoon moves from being directly on the opposite side of Earth fromyou to be being directly overhead. Assume that the Earth-Moon(center-to-center)...
- Q Q.2: (i) Express ‘Uncertainty Principal’ briefly.(ii) In the Davisson-Germer Experiment, what will be BraggScattering angle ï†(first order) for an electron-beam whendiffracted from the surface of Ni-crystalwith atomic-planes spacingD= 0.215 nm...
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