Physics question and answers for August 16, 2023
- Q I need proper answers for the following ( well explained andunderstandable writing)1) A hollow copper tube carries a current along its length. Whyis B =0 inside the tube? Is B...
- Q A 178g block is launched by compressing a spring of constantk=200N/m a distance of 15 cm. The spring is mountedhorizontally, and the surface directly under it is frictionless.But beyond the...
- Q A 150-g baseball is dropped from a tree 13.0 mabove theground.A) With what speed would it hit the ground if air resistancecould be ignored?B) If it actually hits the ground...
- Q Enter the letters corresponding to all the true statements.1. At a certain location there is a constant horizontal magneticfield pointing to the east. A square loop of wire is placed...
- Q A box of mass m = 10.0 kg is attached to a rope. The other endof the rope is wrapped around a pulley with a radius of 15.0 cm.When you...
- Q As a city planner, you receive complaints from local residentsabout the safety of nearby roads and streets. One complaintconcerns a stop sign at the corner of Pine Street and 1st...
- Q A metal bar (23.5 x 10-6oC-1)has a final length of 5.5800 m after its temperature changes from64.459 oF to -27.674 oC.a) Convert the initial temperature to oC.18.0321.8220.5516.5911.9026.14Â Â Â Â In 100 words or...
- Q Two charges — q1 = 2.1 × 10-6C, q2 = 5.4 × 10-6C — are separatedby a distance of d = 3.75 m.At what distance, r in meters, from the...
- Q Starting from the basic definition of moment of inertia (eq9.15), evaluate by integration the rotational inertia of a 50-lbhollow cylinder flywheel about the cylinder axis, whose outerdiameter is 16-in and...
- Q Find the momentum space wavefunction of A/(x^2+a^2).I need detailed, step-by-step explanation.
- Q A space station shaped like a giant wheel has a radius of 1.00 x102 m and a moment of inertia of 5.00 x 108 kgm2. A crew of 150lives on...
- Q Isthere anyone to blame for the Johnstown Flood? If so, who?
- Q 1. As a demonstration of lab safety violations, a stainlesssteel water bottle is filled with a small amount of liquidnitrogen, and then the cap is sealed on the bottle (don’t...
- Q A ball of mass 0.576 kg moving east (+x+x direction) with aspeed of 3.78 m/sm/s collides head-on with a 0.288 kg ball at rest.Assume that the collision is perfectly elasticWhat...
- Q Let the light ways moving from a material to another material.There are 2 scenarios:- The ray is moving from water to glass. The intensityof the refracted rays is 98.92 %...
- Q 30 grams of ice at -5 Celsius melt while being left at roomtemperature of 28 Celsius. After melting its temperature rises to28 Celsius. Determine the total change of entropy of...
- Q A boater dumps 2.00 kg of ice from a cooler into the lake at theend of a fishing trip. The ice is at a temperature of -8.00 oC andthe lake...
- Q The actual diameter of an atom is about a tenth of a nanometer(10​(mostly N​ and O​ ) at room temperature and a pressure of oneatmosphere -- 10​ Pa.1. Calculate the...
- Q A 131 lb woman is holding a 22 lb baby in her arms. If youassume the entire load is situated at the elbow joint, determinethe internal and external forces and...
- Q Can general relativity be completely described as a field in aflat space? Can it be done already now or requires advances inquantum gravity?
- Q The naturallyoccurring isotope K40 is widely spread in theenvironment. In fact, the average concentration of potassium in thecrustal rocks is 27 g/kg and in the oceans is 380 mg/liter.K40 occurs...
- Q what are the equations that can be used to calculate the rocketlaunching
- Q A 0.060-kg tennis ball, moving with a speed of 5.32 m/s, has ahead-on collision with a 0.090-kg ball initially moving in the samedirection at a speed of 3.36 m/s. Assume...
- Q For light moving from left to right through a lens, describethe paths of the three principal rays used to locate the imageformed by the lens. Using the three principal rays,...
- Q As preparation for this problem, review Conceptual Example 9.From the top of a cliff overlooking a lake, a person throws twostones, as shown in the drawing. The cliff is 35.0...
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