Physics question and answers for September 02, 2023
- Q In 1610, Galileo used his telescope to discover four prominentmoons around Jupiter. Their mean orbital radii a and periods T areas follows: (a) Io has a mean orbital radius of...
- Q An object is launched at a velocity of 20 m/s in a directionmaking an angle of 25 degrees upward with the horizontal.a) What is the maximum height reached by the...
- Q ACoast Guard Cutter detects an unidentified ship at a distance of 24km in the direction 50° east of north. The ship is traveling at 22km/h on a course at 40°...
- Q Problem 5. A non-conductive solid sphere has a volumetric chargedistribution given by Ï (r) = (β / r) sin (Ï€r / 2R). Where R is theradius of the sphere and...
- Q The Nardo ring is a circular test track for cars. It has acircumference of 12.5 km . Cars travel around the track at aconstant speed of 100 km/h. A car...
- Q Write a paragraph to show how to apply TEM techniques innanowire research?
- Q An electron is released from rest on the axis of an electricdipole that has charge e and charge separation d = 33 pm and thatis fixed in place. The release...
- Q What are the three longest wavelengths for standing waves on a240 cm long string that is fixed at both ends?If the frequency of the second-longest wavelength is 50.0 Hz,what is...
- Q A physicist at a fireworks display times the lag between seeingan explosion and hearing its sound. She finds it to be 0.36 s.a) How far away is the explosion, in...
- Q A wire carries an I1 = 7.40-A current along the x-axis, andanother wire carries an I2 = 5.85-A current along the y-axis, asshown in the figure below. What is the...
- Q In the \"Bohr model\" of the Hydrogen atom, a single electron issaid to have a circular orbit around the nucleus (in this caseconsisting of a single proton), analogously to how...
- Q Romeo is throwing pebbles gently up to Juliet's window, and hewants the pebbles to hit the window with only a horizontalcomponent of velocity. He is standing at the edge of...
- Q The G string on a violin is 30 cm long. when played withoutfingering, it vibrates at frequency 196 Hz. The next higher noteson the scale are A(220 Hz), B(247 Hz),...
- Q A capacitor is formed from two concentric spherical conductingshells separated by vacuum. The inner sphere has radius 10.0cm ,and the outer sphere has radius 16.0cm . A potential difference of150V...
- Q How does driving force factor into dendriticintegration? And so then why is integration sublinear?What is dendritic attenuation? Why does it occur? Whydoes it matter?What is \"shunting inhibition\"? What properties couldthis...
- Q Sketch a speed-time graph showing your trip from home to school.A. Circle and label all the portion(s) of the graph where yourcar was an energy source during an interaction. Briefly...
- Q A 0.480-kgkg hockey puck, moving east with a speed of 3.05m/sm/s , has a head-on collision with a 0.800-kgkg puck initiallyat rest.Assuming a perfectly elastic collision, what will be the...
- Q A model of a red blood cell portrays the cell as a sphericalcapacitor, a positively charged liquid sphere of surface areaA separated from the surrounding negatively charged fluidby a membrane...
- Q Electrostatic Force and EquilibriumConsider a rhombus with side of length L. The rhombus has twopairof equal interior angles. Label one of these pair θ and the otherφ. Fouridentical, positive point...
- Q A metal block of mass 1.830 kg is hanging from a string. Thetension in the string is 1.089×101 N. The block issubmerged in a beaker of fluid and is stationary....
- Q An electric field given by Upper E Overscript right-arrowEndScripts = 3.2i Overscript Ì‚ EndScripts - 9.5(y2 + 6.2)jOverscript Ì‚ EndScripts pierces the Gaussian cube of edge length0.890 m and positioned...
- Q Given a battery, three light bulbs, wire, and a compass, develop anexperiment that shows evidence that magnetic field increases withcurrent through the wire.
- Q Please answer the following questions with a moderate amount ofdetail:1. In 1921, Albert Einstein received a Nobel prize for hisinterpretation of an experiment that could not be explained usingMaxwell
- Q A 480 kg horse pulls a 260 kg cart with a constant accelerationof 0.800 m/s2. Assume the only force acting on the horse comes fromthe cart pulling on it.(a)What force...
- Q a) In a proton at one certain moment, the down quark has astrong color charge of red. What are the color charges of the twoup quarks? (Type each color in...
- Q A home run is hit in such a way that the baseball just clears awall 14.0 m high, located 128 m from home plate. The ball is hit atan angle...
- Q A person with mass mp=80 kg is standing at rest on a horizontal,frictionless surface holding a ball of wet clay with mass mg=10 kg. In front of the person is...
- Q 1.A circuit of resistors connected in series is plugged in a 120V outlet. What can you tell about the voltage on each of resistorand current in each resistor?2.A circuit of...
- Q An infinitely long line of charge has linear charge density5.00×10−12 C/m . A proton (mass 1.67×10−27 kg, charge e) is 14.5 cm from the line and moving directlytoward the line...
- Q A 82.9-kg man is standing on a frictionless ice surface when hethrows a 1.70-kg book horizontally at a speed of 13.0 m/s. Withwhat speed does the man move across the...
- Q Explain whether it makes a difference to the net flux of asystem if the shape of the object that it encloses changes. Be sureto explain why.
- Q 9. A cue ball traveling at 0.65 m/s hits thestationary 8-ball, which moves off with a speed of 0.22 m/s at anangle of 40° relative to the cue ball's initial...
- Q 2. (a) Write down the Time Dependent Schr
- Q An electroscope has a charge of −3.9 µC while your finger has a charge of4.2 µC. You touch the electroscope with your finger anddiscover that the charges of your finger...
- Q A block is at the base of of a ramp of angle 35°. Theramp is 5 m. if the block is initially given a velocity of 12 m/sup the ramp,...
- Q Write a few lines about : (at least 200 word) Write about heat,temperature change, heat capacity, heat transfer methods,conduction (no formulas only relation), convection (no formulasonly relation) and Radiation (no...
- Q Q6.  a) You put a uniformly shapedbit of dielectric material in between the plates of a platecapacitor. When you do this, the charge on each plate remainsunchanged.How does this affect the...
- Q Water flowing through a garden hose of diameter 2.75 cm fills a24.0-L bucket in 1.30 min.(a) What is the speed of the water leaving the end of thehose?m/s(b) A nozzle...
- Q A 45 turn, 2.9 cm diameter coil is inside a pulsed magnet thathas been off for some time, so the magnet can cool down. The magnetis turned on, and the...
- Q As your bus rounds a flat curve at constantspeed, a package with mass 0.300kg, suspended from the luggage compartment of thebus by a string 50.0cmlong, is found to hang at...
- Q Question Physics: Electrostatic Force and GravitationalForceA small piece of paper weighs 10ˆ-2 gm. The weight of earth is10ˆ24 kg. The glass rod with a net charge of 10-6C is brought...
- Q A block with mass m1 = 8.7 kg is on an incline with an angle θ =38° with respect to the horizontal. For the first question there isno friction, but...
- Q Two 2.7 cmcm -diameter disks face each other, 2.2 mmmm apart.They are charged to ±15nC±15nC.1.)What is the electric field strength between the disks?2.)A proton is shot from the negative disk...
- Q explain how Galileo's observations of the phases of Venus wasthe \"nail in the coffin\" for geocentrism identifying what heobserved to support his claims.
- Q what is the relationship between slit width d and delta xdistance?
- Q A photon moving in the +x-direction, scatters off afree stationary electron. The wavelength of the incident photon is0.0330 nm. After the collision, the electron moves at an angleα below the...
- Q Two racing boats set out from the same dock and speed away atthe same constant speed of 103 km/h for half an hour (0.500 h), theblue boat headed 26.8
- Q Give examples of changes of energy from potential to kinetic andfrom kinetic to potential.
- Q A permanent magnet is held directly below the center ofa coil which is connected to a voltmeter. As you move the magnetcloser towards the coil, the voltmeter reads negative. Which...
- Q A ball was tossed from a height of 1.20 m, initial velocity of13.0 m/s at an angle 26.0° above the horizontal. The ball hits theground at a horizontal distance of...
- Q The lob in tennis is an effective tactic when your opponent isnear the net. It consists of lofting the ball over his head,forcing him to move quickly away from the...
- Q According to the Guinness Book of World Records,thelongest home run ever measured was hit by Roy
- Q 3)A car turning in a circle is acceleratring in the centripetaldirection, even if the speed is constant. This centripetalacceleration is the cause of a radially inward directed net force.On a...
- Q Explain how sound is actually a form of energy. In what mediumdo sound waves travel? 1-2 paragraphs
- Q he K series of the discrete x-ray spectrum of tungsten containswavelengths of 0.018 5 nm, 0.020 9 nm, and 0.021 5 nm. The K-shellionization energy is 69.5 keV. (a) Determine...
- Q A 720-kg two-stage rocket is traveling at a speed of 6.90×10^3m/s away from Earth when a predesigned explosion separates therocket into two sections of equal mass that then move with...
- Q Steam can cause more serious burns than water at the sametemperature. Here we examine this effect quantitatively, notingthat flesh becomes badly damaged when its temperature reaches50.0
- Q A very long uniform line of charge has charge per unit length4.74?C/m and lies along the x-axis. A second longuniform line of charge has charge per unit length-2.46?C/m and is...
- Q You should be able to answer the following questions afterstudying “Error Analysis of aStatistical Sampleâ€, found in the Appendices.a) What is the difference between “random uncertainty†and“systematic uncertaintyâ€?Provide examples of...
- Q 1. A sled of mass m is pushed for 5 seconds at a constant force.A sled of mass M (more) is also pushed for 5 seconds. THe force isthe same...
- Q LED Lighting BASIC PHYSICS:a) Give typical forward I-V curves for R-G-B LEDS. Be specificin your three explanations and use manufacturers spec sheets. Alsoexplain why LED lights are both Hg (think...
- Q A rigid massless rod is rotated about one end in a horizontalcircle. There is a load of mass m attached to the center of therod, and one of mass M...
- Q (a) Using the definition of the scalar product, find the anglesbetween the following pairs of vectors.A = 2 i + 3 kand B = - 3 i - 3j -...
- Q Newton's Law of Cooling states that the rate at which andobjects cools is directly proportional to the difference intemperature between the object an the surrounding medium. if anobject cools from...
- Q Two identical small insulating balls are suspended by separate0.293 m threads that are attached to a common point on the ceiling.Each ball has a mass of 7.96E-4 kg. Initially the...
- Q Two soccer players, Mary and Jane, begin running from nearly thesame point at the same time. Mary runs in an easterly direction at4.34 m/s, while Jane takes off in a...
- Q Common transparent tape becomes charged when pulled from adispenser. If one piece is placed above another, the repulsiveforce can be great enough to support the top piece's weight.Assuming equal point...
- Q 1. a)When applying Newton's 2nd Law to an object on an inclinedplane, we choose the coordinate axes parallel and perpendicular tothe plane becauseit makes the friction force negligibleit means we...
- Q 7A. Calculations of the primordial material that would form a\"quark soup\" a few hours after the Big Bang show that the earlyuniverse consisted almost entirely of hydrogen(11H = 76 weight...
- Q Intense monoenergetic light source shines on piece of metal.When wavelength of the light is more than 620 nm, no photoelectronsare emitted from metal, and shorter wavelengths begin to produce aflux...
- Q You attach a 2.50 kg mass to a horizontal spring that is fixedat one end. You pull the mass until the spring is stretched by0.500 m and release it from...
- Q (c7p50) A 1000- kg car collides with a 1300- kg car that wasinitially at rest at the origin of an x-y coordinate system. Afterthe collision, the lighter car moves at...
- Q 1. A 0.25 kg harmonic oscillator has a total mechanical energyof 4.1J. If the oscillation amplitude is 20.0cm. what is theoscillation frequency?2. A 0.250-kg stone is attached to an ideal...
- Q A 52.0-kg sandbag falls off a rooftop that is 22.0 m above theground. The collision between the sandbag and the ground lasts fora total of 17.0 ms. What is the...
- Q A rock is thrown with an initial vertical velocity component of30 m/s and an initial horizontal velocity component of 40 m/s.a. What will these velocity componentsbe one second after the...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!