Physics question and answers for August 30, 2023
- Q In constructing a large mobile, an artist hangs an aluminumsphere of mass 5.1 kg from a vertical steel wire 0.51 m long and2.4×10−3 cm2 in cross-sectional area. On the bottom...
- Q What is dispersion? Use dispersion to explain why white light issepartate into its individual colors when it exits a prism.
- Q a. Consider a 1.5-kg mass of a block attached to a spring ofspring constant 16.0 N/m on a frictionless table.(i) At rest/At Equilibrium: The spring-mass system is at rest,the mass...
- Q Blocks A (mass 4.00 kg ) and B (mass 6.00 kg ) move on africtionless, horizontal surface. Initially, block B is at rest andblock A is moving toward it at...
- Q A 3100 TeV photon strikes an electron at rest and scatters by anangle of 120°. Find the frequency of the reflected photon using 2.4pm for the Compton wavelength. Also find...
- Q The masses and coordinates of three spheres are as follows: 22kg, x = 1.25 m, y = 2.25 m; 34kg, x = -1.00 m, y = -3.25 m; 56kg, x...
- Q A mass attached to a spring oscillates with a period of 3.15s.(a) If the mass starts from rest at x = 0.0480 m andtime t = 0, where is it...
- Q A 0.51 kg mass at the end of a spring vibrates 10 times persecond with an amplitude of 0.14 m.Find:1. Velocity when it passes the equilibrium point2. The Velocity when...
- Q You are given a vector in the xy plane that has a magnitude of86.0 units and a y component of -55.0 units.a.)What are the two possibilities for its x component?b.)Assuming...
- Q An object with mass m = 0.6 kg is dropped from the topof the building and falls 21 m down in front of thecafe.1.1 Calculate the speed of the object...
- Q Explain Young's double slit experiment
- Q know the mathematical relationship between surface area andvolume, and explain how surface to area volume affects heat loss.Which can be smaller endotherms or ectotherms Â
- Q In your own words, describeCharles’s Law. Express Charles’s Law as amathematical equation. Which variable must be heldconstant for Charles’s Law to work? In your own words, describeGay-Lussac’s Law. Express Gay-Lussac’s...
- Q A toy cannon uses a spring to project a 5.38-g soft rubber ball.The spring is originally compressed by 4.91 cm and has a forceconstant of 8.08 N/m. When the cannon...
- Q At what speed does a 1900 kg compact car have the same kineticenergy as a 2.00×104 kg truck going 24.0 km/hr ?Express your answer with the appropriate units.
- Q Sketch position of Moon several times in a single night(can drawa horizontal sketch)
- Q This problem has been solved!See the answerYour supervisors at A&L Engineering have taskedyou with evaluating the durability of three common materials usedin the design of cell phone cases. For each...
- Q Can a person, in principle, travel from Earth to the galacticcenter (which is about 2.30
- Q It is always a good idea to understand the\"size\" of units. The objects listed below are resting on a hardsurface. Categorize each object according to the pressure it exertson the...
- Q Is the following equation dimensionallycorrect?v= sqrt(pH/PE)v= feet per secondp = grams per cubic cmH = height in feetPE = joules
- Q Discuss Fermi theory of Beta Decay in detail?and what do you mean by nuclear isomerism in Nuclear Physics?
- Q 1)A homogeneous solid object floats on water with 78% of itsvolume below the surface. The same object when placed in a secondliquid floats on that liquid with 71% of its...
- Q Question 5.A nailing gun produces a short, loud sound as the tool drives in anail. The sound has an intensitylevel of 136 dB at the ear of the user (0.2...
- Q A 36 V battery of negligible internal resistance is connected toa 47 kΩ and a 21 kΩ resistor in series.a).What reading will a voltmeter, of internal resistance 95 kΩ ,give...
- Q 4) A planet is orbiting a star at a distance of 1.20 × 1011 mwith a period of 0.750 Earth years. What is the acceleration of theplanet?5) A fan is...
- Q Ina race between a turtoise and a hare, the hare stopped to eat acarrot for 12.5s while the turtoise walked at a constant speed of2.00 cm/s toward the finish line....
- Q Tennis balls traveling at greater than 100 mph routinely bounceoff tennis rackets. At some sufficiently high speed, however, theball will break through the strings and keep going. The racket is...
- Q In a single slit experiment, the central maximum is:The same size as all of the other maximums.Twice the size of the other maximums.Half the size of the other maximums.Just slightly...
- Q 100 grams of boiling water (temperature 100
- Q Prove that in a cubic crystal, a direction [hkl] is perpendicular to the plane (hkl) having the same indices.
- Q The drawing shows an edge-on view of two planar surfaces thatintersect and are mutually perpendicular. Surface (1) has an areaof 2.10 m
- Q TYPE with KEYBOARD, please pleaseWhat is the purpose of Conservation of linear momentumexperiment?What is the theory of Conservation of linear momentumexperiment? Write a paragraph on elastic and inelastic collision.Include related...
- Q True or false1:The electric potential is the same at any point on a singleequipotential line.2:Electric field lines always emanate from positive charges andterminate on negative charges.3:Equipotential lines always perpendicularly cross...
- Q can a pendulum clock be used in an earth- satellite?2) It is proposed to move a particle in SHM on a roughhorizontal surface y applying an external force along the...
- Q How do you find the area of a circle when given the area of asector?
- Q Socola and Brooke are balanced on a teeter-totter plank as shownbelow. Socola has a mass of 7.7 kg, and Brooke’s mass is 53 kg.Brooke is located 1.0 m from the...
- Q What type of early parenting fosters the development ofemotional self-regulation, secure attachment, and self-control?Why, in each instance, is it effective?
- Q Thelight from a regular lightbulb is visible light. It is estimatedonly 10% of the energy will be transformed into the visible lightand the rest is heat. Heat is coming from...
- Q Hi guys, ASAP please answer the question thank you so much!!A cyclist travelling at 8.0 m/s is rounding a corner of radius20 m on a flat road by leaning into...
- Q Three identical bricks are strung together with cords and hungfrom a scale that reads a total of 35 N. (a) What is the tension inthe cord that supports the lowest...
- Q How long does it take the Sun to melt a block of ice at 0∘C witha flat horizontal area 1.0 m2 and thickness 1.9 cm ? Assume thatthe Sun's rays...
- Q When two objects collide head-on, consider the comparison of theaverage forces each object experiences during the collision as afunction of the mass, initial velocities, and final velocities ofthe two objects....
- Q 1) define retrograde motion and explain if it is observed,nightly, weekly, monthly, or on a yearly basis and2) explain how Ptolomy and Copernicus each explained retrogrademotion.3) explain how the orbit...
- Q A plank 2.00 cm thick and 14.3 cm wide is firmly attached to therailing of a ship by clamps so that the rest of the board extends2.00 m horizontally over...
- Q A heat engine made with an ideal gas with f = 5 degrees offreedom has 3 steps. Starting with a volume of 8 liters and apressure of 1.3 × 10^5...
- Q A liquid droplet radiator (LDR) is used to liberate heat fromthe UT Space StationnamedDOLLYPARTON(Droplets OfLiquidLeaveYielding Particles Alleviating Radiation To OverwhelmingNothingness). The LDR works in the following way. Waste heatgenerated from...
- Q Two identical capacitors are connected in parallel, and eachacquires a charge Q0 = 1.12E-6 C when connected to a source ofvoltage V0 = 2.45 V. The voltage source is disconnected,...
- Q A football is to be thrown by a quarterback to a receiver who isrunning at a constant velocity of 10.4 m/s directly away from thequarterback, who intends for the ball...
- Q A uniform ladder of length L and mass m leans against africtionless vertical wall, making an angle of 57° with thehorizontal. The coefficient of static friction between the ladderand the...
- Q Two small plastic balls are given equal charges by rubbing themon rabbit fur. When the balls are moved 8.00 meters apart, theyhave a measured electrostatic force of +7.24 x 10-3...
- Q Metal sphere A of radius 11.0 cm carries 9.00 μC of charge, andmetal sphere B of radius 20.0 cm carries −2.00 μC of charge. If thetwo spheres are attached by...
- Q A particle is uncharged and is thrown vertically upward fromground level with a speed of 23.1 m/s. As a result, it attains amaximum height h. The particle is then given...
- Q A charge of -3.45 nC is placed at the origin of an xy-coordinatesystem, and a charge of 2.30 nC is placed on the y axis at y= 3.90cm.Part A: If...
- Q Two charges, -24
- Q 4. [4pt]Choose the correct statements from the following list referring thepossible futures of a Universe that does NOT contain Dark Energy.(Give ALL correct answers, i.e., B, AC, BCD...)A) At present...
- Q Newton's Law of Gravitational attraction establishes therelationship among mass, distance fo separation and a constant \"G\".Describe a valid experiment to determine \"G\".Your original post should be a minimum of 100words...
- Q LAB: The purpose of this experiment is to study the conditionsthat must be satisfied for a rigid object to be in staticequilibrium. This is done by computing the total torque...
- Q singly charged uranium-238 ions are accelerated through a potentialdifference of 2.00KV and wnter a uniform magnetic field ofmagnitude 1.20 T directed perpendicular to their velocities.Significance of this problem:99% of all...
- Q Leslie Ballentine develops in QM:A Modern Development an interpretation based on the ensembleinterpretation, and responds to most criticisms.My question: what criticisms still exist against thisinterpretation such that it is not...
- Q A 1.50-kg block is on a frictionless, 30 degrees inclined plane.The block is attached to a spring (k = 40.0N/m ) that isfixed to a wall at the bottom of...
- Q 120g + 18Ëš water is in a calorimeter, whose heat capacity is 50 J /ËšC. Clarification is done by calculating what happens when 36 g ofice of 0 ËšC is...
- Q 1) explain why we see the moon rise 52 minutes later eachevening, and 2) explain why the moon looks different sizes over thecourse of a month.
- Q A 0.25kg ball moving in a horizontal cirlce at the end of astring has a centripetal acceleration of 4m/s^2. What is themagnitude of the centripetal force exerted by the string...
- Q 7. Ball X of mass 1.0 kg and ball Y of mass 0.5kg travel towardeach other on a horizontal surface. Both balls travel with aconstant speed of 5 m/s until...
- Q Explain how to convert solar energy to electricity?.
- Q Twins are sliding a rock back and forth on a frozen lake withnegligible friction. The mass of each child is 21.0 kg and the massof the rock is 2.6 kg....
- Q Describe house wiring and specify how parallel or seriesconnections of bulbs and resistors affect the functions.Write inown words and at least one paragraph.
- Q A hollow sphere of radius 0.230 m, with rotational inertia I =0.0323 kg·m2 about a line through its center of mass, rolls withoutslipping up a surface inclined at 10.2° to...
- Q Show step bystep solution please.A sled weighing 100 N is pulled horizontally across a frozen lakesuch that the coefficient of kinetic friction between the sled andthe snow is 0.1. Penny...
- Q Why do resistors placed in parallel allow a total current thatis the sum of the currents that would occur for the individualresistors placed one by one in the same circuit?...
- Q A 900-kg car traveling east at 20.0 m/s collides with a 750-kgcar traveling north at 15.0 m/s. The cars stick together. Assumethat any other unbalanced forces are negligible. (DrawDiagrams)(a) What...
- Q It is sometimes said that the universe is homogeneous andisotropic. What is meant by each of these descriptions? Are theymutually exclusive, or does one require the other? And whatimplications rise...
- Q A 4.3- cm-radius ball rolls down an inclined plane from rest atthe top. The angular acceleration of the rolling ball about itscenter is 245 rad/s2, and its angular speed at...
- Q In the manufacture of steel engine components radioactive iron(59Fe) is included in a total mass of 0.20 Kg. The component isplaced in a test engine with surrounding oil lubricant when...
- Q A 400.0-m-wide river flows from west to east at 30.0 m/min. Yourboat moves at 100.0 m/min relative to the water no matter whichdirection you point it. To cross this river,...
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