Physics question and answers for August 15, 2023
- Q 1.16 [1pt] Consider an infinite non-conducting plane having acharge density of 1 C/m^2. Sketch electric field lines and indicatethe value of electric field 1 m away from the plane1.16 ANSWER1.17...
- Q A 3-kg mass of metal of specific heat = 0.1 kcal/kg°C at atemperature of 600°C is dropped into 1.0 kg water at 20°C. With noheat losses to the surroundings, determine...
- Q 1D Kinematics Problem: An object moves alongthe x axis according to the equationx =2.80t2 − 2.00t +3.00,where x is in meters and t is inseconds.(a) Determine the average speed between...
- Q IP A charge of 21.0 μC is held fixed at the origin. Part A If a-7.00 μC charge with a mass of 3.50 g is released from rest at theposition...
- Q Calculate the necessary heat to take an ice cube (side length =2.54cm) from -40.0degreesC to135.0 degrees C. Calculate the heatnecessary to take the ice to melting point.
- Q Direction of ?⃗: For each of the following find the direction of?, ?? ?? , and ?.(a) An infinite sheet in the ?-? plane that has current density? = ??...
- Q 1. Explain in which cases the mass determination method isused:(a) through the interaction of bodies(b) by means of the balance.2. What does it mean that the mass of a body...
- Q 1. You watch your toddler nephew rolling marbles toward the topof a staircase. There are 18 steps, each 30.0 cm deep horizontally,and separated by 20.0 cm vertically. The marbles leave...
- Q A ball is shot up from a surface that is 20 m above the surfacewith an initial speed of 10 m/s.1. What is the magnitude of the ball's displacement from...
- Q Two particles having charges of 0.480nC and 7.68nC are separatedby a distance of 1.70m .A: At what point along the line connecting the two charges isthe net electric field due...
- Q Explain the validation of Newton’s laws in an inertial frameworkby bringing examples of absolute and relative movements.
- Q True or False : When a metal washer is heated the hole willexpand.
- Q 1) a) Compare pin photodiode with pn junction photodiode. Pleasewrite one application best for each pin and pn photodiode with areason.b) For a photodiode of depletion layer 20 micrometer andrelative...
- Q A star near the visible edge of a galaxy travels in a uniformcircular orbit. It is 48,400 ly (light-years) from the galacticcenter and has a speed of 275 km/s.a)Â Â Estimate the...
- Q Please answer all questions, thank you in advance!A) What is the lowest possible energy (in electron volts) of anelectron in hydrogen if its orbital angular momentum is ?2 h-bar?Express your...
- Q An electric ceiling fan is rotating about a fixed axis with aninitial angular velocity magnitude of 0.280 rev/s . The magnitudeof the angular acceleration is 0.895 rev/s2 . Both the...
- Q how to Design'the'Fabrication'Process'of'Piezoresistive'Si'Microcantilever ?
- Q The nuclide 236U decays with emission of an alpha particle withmeasured energy of 4.448 MeV and an accompanying gamma photon withmeasured energy of 49 keV. What is the product nucleus...
- Q If we recreated the scene from Fast & Furious 7 anddropped a Challenger SRT® Hellcat Redeye Widebody from a C-130aircraft at 5,280 ft, how much horsepower would it take to...
- Q You drop a package from a plane flying at constant speed in astraight line. Without air resistance, the package will. (Hint:think about the velocity along the x direction, think about...
- Q Calculate the binding energy per nucleon for 55Mn, 9Be, 14N, and7Li. (For the atomic masses, see this table. Enter your answers toat least two decimal places.) (a) 55Mn MeV/nucleon (b)...
- Q The summer solstice in the southern hemisphere occurs on oraboutGroup of answer choicesJune 21March 21September 21July 4December 21n the H-R diagram, the vertical and horizontal axes arerespectivelyGroup of answer choicesluminosity...
- Q A graduated cylinder filled with water rests upside down in acontainer of water at 0 C. The water is 7.00 cm deep. Attached tothe base of the cylinder is a...
- Q A328 nC point charge is at co-ordinate (0, 0.3) . A 85 nC charge isat (0, -0.5). Find the electrostatic field at (0.9, 0.8). TheCoulomb constant is k = 8.99...
- Q ch 18 # 2Four identical metal spheres have charges ofqA = -8.0 μC, qB=-2.0 μC,qC=+5.0 μC, and qD=+12.0μC.(a) Two of the spheres are brought together sothey touch, and then they...
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