Physics question and answers for September 09, 2023
- Q What are the wavelength ranges for the following?(a) the AM radio band (540–1600kHz)maximumwavelength    ______ mminimumwavelength    ______ m(b) the the FM radio band (88–108 MHz)maximumwavelength    ______ mminimumwavelength    _____ m
- Q A flat cushion of mass m is released from rest at thecorner of the roof of a building, at height h. A windblowing along the side of the building exerts...
- Q A 50 kg crate slides down a ramp that is inclined by 30 degreesfrom the horizontal. The acceleration of the crate parallel to thesurface of the ramp is 2.0m/s^2, and...
- Q About 30,000 Joules of energy is stored in a typical 1.5 voltD-cell battery. If two such batteries are joined to produce a totalof 3 volts in a circuit and cause...
- Q The wheels of a wagon can be approximated as the combination ofa thin outer hoop, of radius rh = 0.209 m and mass 4.51 kg, and twothin crossed rods of...
- Q A bumper car with mass m1 = 116 kg is moving to theright with a velocity of v1 = 4 m/s. A second bumper carwith mass m2 = 97 kg...
- Q A boy stands on a diving board and tosses a stone into aswimming pool. The stone is thrown from a height of 2.50 m abovethe water surface with a velocity...
- Q II. Dimensions Involving Derivatives When we do dimensionalanalysis, we do something analogous to stoichiometry, but withmultiplying instead of adding.Part A) Consider the diffusion constant that appears in Fick’sfirst law: J...
- Q A positive point charge Q1=2.8×10−5C is fixed at the origin ofcoordinates, and a negative point charge Q2=−4.1×10−6C is fixed tothe x axis at x=+2.0m. Find the location of the place(s)...
- Q . How does the appearance of the diode change when the maximumvoltage is above or below the threshold
- Q How might you demonstrate the existence of anelectrical force? ExplainHow might you demonstrate the existence of a magneticforce? Explain
- Q Then for each circuit component tested, write a brief analysisof the component. Explain how you know whether it is \"ohmic\" ornot. Report anything else you find interesting. If it is...
- Q 1a. A 747 airplane starts from rest and reaches a takeoffvelocity of 78.0 m/s due west in 5.50 s. Assuming a constantacceleration, how far has it traveled before takeoff? Pleaseexplain.b....
- Q What's the speed of water wave?I'm asking about constant number.
- Q A rope of negligible mass is stretched horizontally between twosupports that are 2.81 m apart. When an object of weight 4190 N ishung at the center of the rope, the...
- Q A = 3, B = 9, C = 18. A (1.25+A) kg bowling ball is hung on a(2.50+B) m long rope. It is then pulled back until the rope makesan...
- Q To what height would a 3.0 kg object have to be raised such thatits gravitational potential energy would equal the kinetic energyit would possess if it were moving at 3.0...
- Q 1 Why is it cooler to wear a white shirt than a black shirt on ahot, sunny day?2 On a hot day in your hot kitchen, you decide to work...
- Q SO what is the difference between heat and temperature? Whenyou go about your everyday life which one do you concern yourselfwith more?
- Q The hunt for Red October ison! (Remember the 1990 Sean Connery
- Q why isn't it accurate to say static friction is theforce that keeps objects from moving? describe a counter examplelike a box on a table
- Q Draw a labelled sketch showing how the eye works and which partsof the eye see variations of contrast, color and detail (includerods and cones in your sketch). What does the...
- Q Topic: Magnetism and electromagnetic induction, faraday's law,lenz's lawQuestion: A magnet is held a little above the top of a coil. Itis then dropped into and through the loop, north side...
- Q A mischievous young man riding a ferris wheel decides to releasea beanbag as he passes the top point in the ride; at this point inthe ride, the young man is...
- Q Consider an equilateral triangle with sides measuring 1.0 m inlength. At each point of the triangle is a +2.0 ?C charge.Calculate the Coulomb force on each charge. Recall that forces...
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