A 42 Ω resistor and a 20 Ω resistor are connected in parallel, andthe combination is connected across a 240 V dc line. What is the total current through the parallel combination?

Q: An iron wire with cross-section 2.6 x 10 m2 carries current 170 A. Find the drift velocity Va, in un...

A:

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A: To answer: (a)how long after the ball leaves yourthe hand does it return to your hand? (b)estimate t...

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A: electric field intensityξ=30Ptr=30×30×1035×103=0.1897V/m

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A: Given that: s=1.5 mF=2.4 NFf=0.6 N

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A: The quantum oscillator is a good model for representing molecular vibrations because the Quantum osc...

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A: Let the third charge Q is at position x from charge +3q and (d−x) from +q.Now Q to be in balance , i...

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A: Given: The differential equation of the system is θ¨-glθ=0 i.e.      d2θdt2-glθ=0 l=0.5 m The initia...

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A: The parallelogram method is the method to find the resultant of the two vectors.  The parallelogram ...

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A: Given Light beam angle = 50° Mirror angle         = 30°

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A: Given: The mass of a man is m=40 kg. The distance of the from the rotation axis is r=0.6 m. The angu...

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A: 2(b) According to the question,the particle performs SHM about mean position O.The various parameter...

Q: q no 2

A: Given: To find the two resistors connected in parallel as,

Q: Show all working explaining detailly each step Answer must be typewritten with a computer keyboard! ...

A: Moment of inertia of a continuous mass system is given as I = ∫0Mr2dm Where M is total mass  

Q: A 20.0 kg projectile is fired at an angle of 60.0° abovethe horizontal with a speed of 80.0 m/s. At ...

A: Given,mass of projectile m=20kgangle θ=60°velocity u=80m/s

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A: Given: The differential equation is given by

Q: An iron wire with cross-section 1.5 x 10 °m? carries current 111 A. Find the drift velocity Va, in u...

A: Given data; I=111 (A); A=1.5×10-6 m2; Since there are 2 free carriers(electron) in every atom. First...

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Q: The earth has a radius of 6380 km and turns around once on its axis in 24 h. (a) What is the radial ...

A: Given data R=6380 kmT=24 hr

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A: Two couples are equivalent when their moment are equal.

Q: How does the simulation indicate which direction the magnetic field points?

A:

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A: Given: To find the propagation time and transmission time as,

Q: 6. Two stars are 5.1 x 101 m apart and are equally distant from the earth. A telescope has an object...

A: Separation between stars x=5.1×1011 mDiameter of telescope object d=1.51 mWavelength of light λ=550 ...

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A: Given, Weight of Sir Lancelot is 800 N and length of ladder is 5.0 m and weight of ladder is 180 N

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A: On the basis of the diagram provided. With a single electron in the 1S orbital (a). The ground state...

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A:

Q: How is the shape of a black hole, the material around it, and the release of high-powered jets simil...

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Q: The hydrogen spectrum has a violet line at 410 nm, and a blue line at 486 nm. What is the second ord...

A: Given that,Wavelength of voilet line, λv=410 nm=410×10-9 mWavelength of blue line, λB=486 nm=486×10-...

Q: Explain the Nature of probe spacing for vibroflotation ?

A: Given: To explain the nature of the probe space for vibroflotation as,

Q: A car with a mass of 1500 kg travels with a speed of 90 km / h on a horizontal road. The air exerts ...

A: Given, m = 1500 kg v = 90 km/h = 90×1000 m3600 s = 25 m/s F = 500 N

Q: () THE FOLLOWING QUESTIONS ARE BASED ON THE INFORMATION GIVEN HERE. R2 The emf source, & - 2.1 V, of...

A: From the circuit we can observe that ε and C are in parallel then the voltage is same. Therefore, th...

Q: -39 on 2g d The figure shows the ions of a imagined molecule. Each side -length of the square grid i...

A: Given each side length of square is d. From figure we can see position of charge q1= q is (0,2d) q2=...

Q: A proton moves in a 60-cm-radius circular orbit that is perpendicular to a uniform magnetic field of...

A: Given that,Magnitude of magnetic field B=0.80TRadius of orbit, r=60 cm=60.0×10-2 mThe path of the ch...

Q: Find the resultant of the following forces using the polygon method.A = 30N at 45°B = 25N at 125°C =...

A: Given: To find the resultant of the force by polygon method as,

Q: A) During what intervals of time is the particle moving to the left? Provide reasoning. B) What is t...

A: Given that,A particle moves along the x-axisThe velocity of the particle = v Time = t : for 0≤t≤16He...

Q: A 2.50 kg block on a horizontal floor is attached to a horizontal spring that is initially compresse...

A: Given that,Mass of the block (m)= 2.50 kgThe distance in which spring is compressed = 0.0300 mThe fo...

Q: 4. Four identical bricks are stacked up on top of each other. Each has a length of a and a mass of m...

A: Let assume, The mass of each brick is m and length a As bricks are homogeneous, The centre of gravit...

Q: The particle that is initially stationary is affected by the force F=F0*exp(-γt)*cos(ωt+θ) at the mo...

A: The force acting on the particle isF=Foe-γtcos(ωt+θ)The cos function can be written in terms of expo...

Q: An atom has completely filled inner shells and a single valence electron in an excited p state. The ...

A: For p, The angular momenteum quantum number is l=1Orbital angular momenteum, L=ll+1hWhere, Cosθ=LzL=...

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Q: Will quantitative fluorescence spectroscopy be as sensitive to path length differences in sample cel...

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Q: Question 3

A: a)Particle kinematics is the study of the movement of particles, without considering the forces that...

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Q: An object of 1.3 cm in height is placed 34.3 cm in front of a concave mirror with a focal length of ...

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Q: A surface has an absorptivity of 0.85 for solar radiation and emissivity of 0.5 at room temperature....

A: Given data: Angle of incidence θ=30°. Direct radiation GD=350 W/m2. Diffuse radiation Gd=400 W/m2. ...