A train is moving at a speed of v towards the railwayman next to the rails. The train whistles for a time of T. How long does the railwayman hear the whistle? The speed of sound is c= 330 m/s; r=108 km/hour= 30 m/s, T= 3s; the train does not reach the railwayman until the end of the whistle. %3D
Q: 2. Suppose you know that the acceleration of a particle is a(t) = e2t - 5 meters per second squared,...
A: Solution attached in the next step
Q: In the circuit shown in the figure (Figure 1), the 6.0 2 resistor is consuming energy at a rate of 1...
A:
Q: 008 The tape in a videotape cassette has a total length 279 m and can play for 2.2 h. As the tape st...
A:
Q: Q. 23 Solve : (D3 - 5D² + 8D-4) y = e2x. %3D
A: Given Solve : D3-5D2+8D-4 y = e2x, as following below.
Q: A 3.50 kg block is pushed along a horizontal floor by a force of magnitude 15.0 N at an angle 0 = 30...
A:
Q: A current of 1 mA enters the resistor network shown in figure 135 at A and leaves at B. Find the cur...
A:
Q: An undamped oscillator is driven at its resonance frequency wo by a harmonic force F = F, sin wot. T...
A:
Q: Question 5 A step down trasformer has 600 V across the primary coll and 120 V across the secondary. ...
A: Concept: To determine the Current in the Primary coil we will use the concept of Conservation of Ene...
Q: Consider the arrangement shown below, where a mass m is attached to two light identical springs that...
A:
Q: A rocket of mass m, + m, is launched with a velocity whose horizontal and vertical and uy. At the hi...
A:
Q: Formal Solution: (Multiple-Choice) Select the best answer and explain why each of the wrong answers ...
A: Given Data : length of wire , L = 1m To Find : maximum flux case
Q: Q. Direction of the principal axes for the cone whose side is a taken about x, y, z axes coinciding ...
A:
Q: A star is measured to be 40.0 ly from Earth, in the inertial frame in which both star and Earth are ...
A: Given distance of star= 40 ly velocity of spaceship moving= 1*10 m/s
Q: 2. Indicate the precision and the # of significant digits of the following measurements in the space...
A: In mathematics precision describes the level of exactness in a number's digits. such as number 63.47...
Q: (a) Write each in Fig. E1.37 in terms of the unit vectors i and j. (b) Use unit vec- vector Fig lors...
A: Since we answer up to one question, we will answer the first question only. Please resubmit the ques...
Q: You are given two vec- |O A = -3.00î + 6.00ĵ = 7.00î + 2.00ĵ. Let terclockwise angles be positive. (...
A: Given, A→=-3i^+6j^ B→=7i^+2j^ a. The points of vector A will be present the second quadrant, So, the...
Q: An elastic String is ficed at one end. When a force of HN iS applied to other end the Spring eactend...
A:
Q: Four point charges are placed at the four vertices of a square (the side length is d). The two charg...
A: Refer to the figure below :
Q: A 0.91-kg sample of water at 5 C is in a calorimeter. You drop a piece of steel with a mass of 0.3 k...
A: Solution:-Given thatmass of water (mw)=0.91 kgInitial temperature of water (Tw)=5°Cmass of steel (ms...
Q: Determine the fundamental dimensions of Coulomb's constant k. This constant relates the electrical f...
A: The problem is based upon the dimensional constant, and SI unit. At first, we have to calculate the ...
Q: A particle moves in one dimension along the r-axis, bouncing between two perfectly reflecting walls ...
A:
Q: Remember, e = 1.6 x 10-19 C, 1 pm (picometer) = 10-12 m. Set up one charge with q = -2e and the ...
A: Given, charges are q1=-2e=-2×1.6×10-19C=-3.2×10-19Cq2=+4e=+4×1.6×10-19C=+6.4×10-19C And the separati...
Q: Revien | Contarm i Pero A 1.0 cm x 1.0 cm parallel-plate capacitor has a 3.0 mm spacing. The electri...
A: The area of the parallel plate capacitor is given as, A=1 cm×1 cm The distance between the parallel ...
Q: What is the potential difference Va- V Va - V volts he charged disks have tiny holes which allow a p...
A: Given data : Q1 = 7 × 10-8 C Q2 = 4 × 10-7 C Distance between disk 1 and 2 is d1 = 4mm Distance b...
Q: A box of mass M=108.3 kg and negligible area is launched from an airplane attached to a parachute of...
A:
Q: Expand this function in n faurier Series the function has a perio d I=2T 2. fox e人xん y TL TT/2<x< TT
A:
Q: For the LR circuit shown below, L = 2 mH & ? = 3 ms. The switch is closed and 5.25 ms later the curr...
A:
Q: A cart of mass M = 0.7 kg is attached to a spring with force constant k = 3 N/m and suspended on a f...
A: Solution: Let us write the conservation of mechanical energy for the initial and final positions. Th...
Q: Problem 1. Use MATLAB to plot the electrical potential energy U of charge - q as a function of dista...
A:
Q: A child makes a transverse wave that moves along a long rope where adjacent crests are formed 0.7 m ...
A:
Q: the ldeal Batterles havé emfš 81 = 20 V and 82 = 10.0 V and the resistors have resistances R1 = 5.3Q...
A: Given Data : E1 = 20V R1 = 5.3ohm E2 = 10V R2 = 8.3ohm To Find : current in the circuit ener...
Q: Most bats use echolocation to navigate and hunt. They emit pulses of high frequency sound waves whic...
A: Object distance, d=12.5 mSpeed of sound, v=345 m/s
Q: What is meant by FACTS in power systems? Discuss about SSSC type FACTS device.
A: Given What is meant by FACTS in power systems and discuss about SSSC type FACTS device, as following...
Q: The pipe assembly is subjected to the 80-N force. Determine the moment of this force about point B. ...
A: Given data : Subjected Force = 80 N To Find : moment of this subjected force at point B
Q: A traveling wave is represented by the function: y(x, t) = 0.010 m sin (1. 5 m x-3.0 s t) Find the m...
A: as per our guidelines, we can answer only 3 subparts. please resubmit remaining parts.
Q: In the rectangle in Figure, the sides are 5.0 cm and 15 cm long, q1 = -5.0 uC, and q2 = +2.0 uC. Wit...
A:
Q: Problem 4: A proton moves in a circular path of the same radius as a cosmic ray electron moving at 6...
A: Given a proton moving in a circular path of the same radius as the cosmic ray electron let the mass...
Q: 5 Homewör roblem 6: Which of the following is NOT an advantage that the Hubble Space Telescope has o...
A: Which of the following is NOT an advantage that the Hubble space Telescope has over large telescopes...
Q: PROBLEM SET:The potential across the hygrometer transducer is given as a function of resistance, R. ...
A: Let us plot the given values :
Q: Starting with the equation of motion of a three-dimensional isotropic harmonic ocillator dp. = -kr, ...
A:
Q: In a car lift used in a service station, pressure is transmitted by an incompressible liquid from a ...
A: In this question answer is given below. It is helpful for you ?
Q: A cylinder of mass m, radius r and radius of gyration k is released from rest and rolls without slip...
A: Solution:-Given thatmass=mradius=rradius of gyration=k
Q: Pamela's world rocks with her favorite radio station - 102.3 FM. The station broadcasts radio signal...
A: Concept: To determine the Wavelength of the radio waves we will use the Formula v=λfhere,v= velocity...
Q: Problem 1. Find the compressibility factor Z for a real gas with the van der Waals equation of state...
A: Answer
Q: Assuming that the particle started at x, = 0 [m], what are the instantaneous position x(t) and veloc...
A:
Q: What total amount of heat must be removed to drop the whole body temperature of a typical 65-kg pati...
A: Given that, Mass : m = 65 (kg) Increase in temperature : T = 1 (°C) Specific heat : C = 3.5 x 103 ...
Q: 13) The rotating systems shown in the figure differ only in that the two identical movable masses ar...
A: Answer
Q: What type of fault is three phase short circuit fault in power system.(Symmetrical or Unsymmetrical)...
A: There are two types of fault in three phase short circuit. First is Symmetrical and second is unsymm...
Q: ting systems shown in the figure differ only in that the two identical movable masses are positioned...
A: Given: The radius of the rotating system on left is r. The radius of the rotating system ...
Q: A 30 kg object is dropped from 30 meters high. a) How much potential energy does it initially have? ...
A: The problems are based upon the concept of kinetic and potential energy. Also, the law of conservati...
Step by step
Solved in 3 steps with 3 images