Physics question and answers for August 28, 2023
- Q Medical Coding and BillingIn a word document write (600 - 900 Words) Using APA Referencingstyle, Discuss the following:The Centers for Medicare and Medicaid Services (CMS) releasedthe results from their Comprehensive...
- Q A 1500 kg car starts from rest and drives around a flat50-m-diameter circular track. The forward force provided by thecar’s drive wheels is a constant 1000 N.A. What are the...
- Q atennis ball is on the top of a basketball. the basketball is thenreleased on the ground which results the tennis ball being veryhigh . the mass of the ball is...
- Q A person pushes a 24.2-kg shopping cart at a constant velocityfor a distance of 17.6 m on a flat horizontal surface. She pushesin a direction 22.7 ° below the horizontal....
- Q An object is placed 27.2 cm to the left of a diverging lens (f =-10.6 cm). A concave mirror (f = 17.1 cm) is placed 40.3 cm to theright of...
- Q A tennis ball is thrown against a wall and rebounced. M(mass ofwall)*v (for ball) =2*m(mass of ball) * V(for wall), KE(wall)=1/2 *Mv2; KE(in)=1/2 *mV2 andKE(out)=1/2 *mV2+1/2*Mv2 ; IfKE(in)=KE(out), Where did...
- Q The U.S. Navy conducts sonar tests that may be harmful toundersea creatures like whales and dolphins. Discuss thepropagation of sound waves under water, and speculate on how Navysonar waves might...
- Q A 0.167-kg frame, when suspended from a coil spring, stretchesthe spring 0.0400 m. A 0.200-kg lump of putty is dropped from restonto the frame from a height of 30.0 cm.Find...
- Q 1# What is the conservation of momentum? Under what conditionsis it true?During the upcoming lab you will work as a class to testpredictions as to when momentum is and is...
- Q A student makes a short electromagnet by winding 540 turns ofwire around a wooden cylinder of diameter d = 3.2 cm. Thecoil is connected to a battery producing a current...
- Q Based upon the equation for potential energy, how does thepotential energy change when the gravity is lower than it is onEarthExample... gravity on the moon is 1.6 m/s2Describe any differences...
- Q Astronomers can measure the temperature of a star by comparingits brightness in blue and yellow light. Does reddening byinterstellar dust affect a star's temperature measurement, and ifso, how?
- Q A 25-gram block is resting on a horizontal, frictionless surfaceand is attached to a horizontal spring of k = 210 N/m. The springis stretched so that the block is 27...
- Q Group Work 3 – GI Joe (option 2)G. I. Joe paratrooper Ripcord (80 kg) is invading Cobra HQ. He’sbrought in by a stealth bomber, where he jumps from an altitude...
- Q Young softball batters are often instructed to “choke-up on thebat†by their coach. In terms of the moment of inertia, whatexactly does this accomplish and why is it an advantage...
- Q A person standing on the edge of a high cliffthrows a rock straight up with an initialvelocity of 17.50 m/s. The rock misses the edgeof the cliff as it falls...
- Q What are the three types of heat transfer and what are someexamples and application of each type? Which type do you encounterthe most in your everyday life?
- Q 1)Â Define white privilege (McIntosh reading).Give three examples of white privilege. Do you know people who haveexperienced this? From what perspective?To the Chegg Personel,I need help, I'm waiting for the answers...
- Q 1.      Prepare an explanation of the nonconserved work of pulling andfriction forces. Observe what happens when you rub your handstogether quickly. Also, observe what happens when you hold a heavybook out...
- Q SIMPLE PENDULUM1. What are the factors affecting the period of a simplependulum?1.1. What must you do to the length of a simple pendulum so thatits period is doubled?1.2. Determine the...
- Q Mickey, a daredevil mouse of mass 0.0215 kg , is attempting tobecome the world's first \"mouse cannonball.\" He is loaded into aspring-powered gun pointing up at some angle and is...
- Q Express the following angles in radians: (a) 30.0°, (b) 45.0°,(c) 60.0°, (d) 180.0°, and (e) 390°. Give as numerical values ANDas fraction of π.
- Q Explain the thermodynamic principle of a geothermal heatpump.
- Q Consider the following special cases of collisions. In allcases, a cart of m1m1 comes in with a velocity vv and hits a cartm2m2coming in with velocity −v−v (same speed vv...
- Q A block of mass 5kg is sits on a flat smooth lab bench. It isattached by two cords which are placed over pulley’s to hangingmasses m1=8kg and m2=12kg on either...
- Q Use method of variation of parameters to solvey'' + y = sin^2(x)
- Q (a) Calculate the momentum of a 1900 kg elephant charging ahunter at a speed of 7.50 m/s.kg·m/s(b) Compare the elephant's momentum with that of a 0.0400 kg bulletfired at a...
- Q Analyze Adolph Hitler's rise to power and the policies he usedto rule Germany. Textbook tyrant? Overheated Nationalist? Or theright man for at the right time for the right job?
- Q Use the exact values you enter to make later calculations. Theset up in the diagram below relates to a classic inclined planeproblem that is typically solved using free body diagrams...
- Q Discuss the operation of and resulting electric fields from theVan der Graaff generator. Include in your answer an explanation ofwhere the excess charge originates and how it is gathered to...
- Q Having data of two independent variables and a dependentvariable, how do I plot a linear graph (trendline fit)? (Linearequation) Possible to use excel.
- Q What is the objective, goal, abstract, and purpose ofInertial lab in physics report. And what would bethe conclusion.
- Q A.How many excess electrons must be distributed uniformly withinthe volume of an isolated plastic sphere 25.0 cm in diameter toproduce an electric field of 1100 N/C just outside the surface...
- Q Planet Lex is four times as massive as the Earth and has aradius four times larger than the Earth's radius. Note: Youdo not have to express your answers in scientificnotation.Mass...
- Q in the definition of radiative lifetime below. what do they meanby depopulation. do they mean for 1 given energy state the amountof time until the electron gives off enough photons...
- Q A hi-tech high-powered catapult is located at point A and isaimed at an angle of = 45 ° with the horizontal.The projectile launched from the catapult is just able to...
- Q - An 80 kg man stands in a very strong wind moving at 13 m/s attorso height. As you know, he will need to lean in to the wind, andwe...
- Q This interesting activity examines the effect ofweight upon terminal velocity. Gather together some nested coffeefilters. Leaving them in their original shape, measure the time ittakes for one, two, three, four,...
- Q A rectangular loop has 17 turns with sides w=.03m and l=.06m.The current is 9A. What is the force on each side and the torque onthe loop if the external field...
- Q Consider a long, thin, plastic cylindrical shell centered at theorigin. It has a radius 2R and a linear charge density -3 λ .b. Use Gauss's Law to find the electric...
- Q Use the exact values you enter to make later calculations. PartA A group of students performed the same \"Ohm's Law\" experimentthat you did in class. They obtained the following results:...
- Q two particles having charges q1=0.500nC and q2 8.00nCare separated by a distance of 1.20m. at what point along the lineconnecting the two charges is the total electric field due to...
- Q pick an earthquake either recent or in the past and write abrief news article that would go in a paper explaining where, when,can you explain tectonic setting that caused the...
- Q THIS IS ASTR 1001. The latitude of Seattle is 47 degrees north. How many degreesabove the north point of the horizon is the north celestial pole asseen from Seattle?2. Circumpolar...
- Q Occupational safety experts have developed an alternativecriterion for electrical safety. They have found that shockslasting less than 3 s will be nonlethal if the product of thevoltage drop across the...
- Q A curve of radius 40 m is banked for a design speed of 60 km/h.If the coefficient of static friction is 0.30 (wet pavement), atwhat range of speeds can a...
- Q Your book has a section entitled \"Energy Choices\" and \"EnergyProblems\" with a discussion that never includes the term \"planetaryoverpopulation.\" Do you think the energy problems of the world canbe solved...
- Q Please type down (easy for me to copy and paste) yourresponse (thoughts, ie agree or diagree and why?) after yourreading the following paragraphs. (min 5 sentences, 150-200words)Climate change is a...
- Q A four-wheel cart of mass M = 95 kg is moving along a horizontalsurface with a constant velocity V = 3.5 m/s relative to theground. A person of mass m1...
- Q Calcium reacts with sulfur (S8) forming calcium sulfide. What isthe theoretical yield (g) of CaS(s) that could be prepared from1.83 g of Ca(s) and 3.35 g of sulfur(s)? Enter your...
- Q Please type down (easy for me to copy and paste) yourresponse (thoughts, ie agree or diagree and why?) after yourreading the following paragraphs. (min 5 sentences, 150-200words)Energy and climate is...
- Q (a) How long (in s) would it take a 1.00 ✕ 105 kgairplane with engines that produce of 100 MW of power to reach aspeed of 200 m/s and an...
- Q A basketball leaves a player's hands at a height of 2.25 m abovethe floor. The basket is 3.05 m above the floor. The player likesto shoot the ball at a...
- Q What is the phase shift of the TM and TE raysreflected both externally (air to glass) and internally (glass toair) for the situation discussed in Prob. 10?Prob. 10 is Calculate...
- Q Select True or False for the following statements aboutelectromagnetic waves. The sun's radiation is most intense in thevisible region. Radio waves travel in vacuum at a lower speed thanthe visible...
- Q An AC generator supplies an rms voltage of 230 V at 60.0 Hz. Itis connected in series with a 0.400 H inductor, a 3.40 μF capacitorand a 206 Ω resistor.What...
- Q You and your friend go sledding. Out of curiosity, you measurethe constant angle θ that the snow-covered slope makes with thehorizontal. Next, you use the following method to determine thecoefficient...
- Q (a) How long (in s) would it take a 1.00 ✕ 105 kgairplane with engines that produce of 100 MW of power to reach aspeed of 200 m/s and an...
- Q An infinitely long conducting cylinder of radius 2 cm has alinear charge density +3 μC/m is surrounded by aninsulating shell of inner radius 8 cm and outer radius 12 cm....
- Q Suppose that two blocks are positioned on an Atwood machine sothat the block on the right of mass m1 hangs at a lower elevationthan the block on the left of...
- Q 1.A particular material has a workfunction of (15.2 + A)/10 eV.Find the maximum wavelength of electromagnetic radiation that willresult in the emission of photoelectrons from this surface. Giveyour answer in...
- Q Theorya) How can you move a spacecraft just with solar radiation?b) Explain how nanoparticle sunscreens can be transparent to thehuman eye, but still protect the skin.c) What are the two...
- Q You and your friend Peter are putting new shingles on a roofpitched at 23 ∘ . You're sitting on the very top of the roof whenPeter, who is at the...
- Q Two carts on an air track have the same mass and speed and aretraveling towards each other. If they collide and stick together,find (a) the total momentum and (b) total...
- Q Two billiard balls with the same mass m move in the direction ofone another. Ball one travels in the positive x-direction with aspeed of V1i, and ball two travels in...
- Q You are working in the cancer therapy division of a hospital.This hospital treats cancer by hitting a tumor with high energyprotons from a cyclotron. When the protons leave the cyclotron...
- Q Phys1011: Waves on a String and Frequencies of Tones and VoiceThe purpose of this lab is to examine properties of waves andbecome familiar with terms used in describing waves. Simulatorquestions...
- Q Please write legibly. Thank you.1. Is the acceleration due to gravity a universalconstant? Explain.2. Is the acceleration due to gravity of objects affected by theEarth’s rotation? Explain.
- Q A student, starting from rest, slides down a water slide. On theway down, a kinetic frictional force (a nonconservative force) actson her. The student has a mass of 77 kg,...
- Q A lens of focal length f1 = +20 cm has an objectpositioned 50 cm in front of it. A second lens of focal lengthf2= -15 cm is located 10 cm...
- Q Select TWO analytical tool that uses electromagnetic waves tomeasure velocity. Explain how each tool uses electromagnetic wavesto measure velocity. Describe the region of the electromagneticspectrum that the tools you selected...
- Q The all-new iPhone Xs has a 2716mAh Li-ion battery. After a fullcharge, Sam used it for exactly a full day without recharging,leaving 15% battery in the phone. If the voltage...
- Q In the figure here, a stationary block explodes into two piecesL and R that slide across a frictionless floor and then intoregions with friction, where they stop. Piece L, with...
- Q You are pushing a box (m = 4 kg) horizontally with a constantforce F = 30 N. After pushing it for a distance d = 5 m, the boxreaches a...
- Q A hot-air balloon is drifting in level flight due east at 2.9m/s due to a light wind. The pilot suddenly notices that theballoon must gain 26 m of altitude in...
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