A 121 lb student races up stairs with a vertical height of 9.5 m in 6.0 s to get to a class on the second floor. How much power in Watts does the student expend in doing work against gravity?

Q: White light is incident on a 30o prism at the 40o angle shown in the figure. Violet light emerges…

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Q: Determine the magnitude of the electric field at point A?

A: The objective of the question is to find the magnitude of the electric field at point A due to the…

Q: A +4.2×10-⁹ C charged object is 6.2 cm along a horizontal line toward the right of a -3.0x10-9 C…

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Q: The world record for the 500-meter dash is held by David Rudisha and is 57.69 s A. Assuming that…

A: Distance traveled (d) = 500 mTime taken (t) = 57.69 sRunning one lap on the circular…

Q: An unknown element has a nucleus with a charge of 17e and a radius of about 4.9×10−15×10−15m. How…

A: Charge of nucleus is Radius of nucleus is Radius of proton is Note:Coulomb constant is Elementary…

Q: Given the arrangement of charged particles in the figure below, find the net electrostatic force on…

A: Draw the free body diagram of the system.

Q: Two pulses, traveling in the opposite directions, on the same string are described by the functions:…

A: The function of the first pulse is Y1 = (5x - 4t) + 12.The function of the second pulse is Y2 =…

Q: The nuclei of large atoms, such as uranium, with 92 protons, can be modeled as spherically symmetric…

A: Given data:Radius of uranium nucleus is, .The number of protons is,

Q: 3-61. Determine the force in each of the three cables needed to lift the machine that has a weight…

A: We would use equilibrium equation, as net force on box =0

Q: A thin spherical metal shell of radius 8.0 cm carries 7.5 µC of excess charge. What is the magnitude…

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Q: uppose that when a certain sound intensity level (in dB) increases by a factor of 8, the sound…

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Q: Why is speed not affected by the angle on a frictionless ramp. Provide answer in detail.

A: The direct impact on angle of ramp is the acceleration but not speed. If you have the same height,…

Q: Two identical thin rods of length L are each charged with a positive charge q that is uniformly…

A: The objective of the question is to determine the electric field at point P due to the two charged…

Q: Sho that the expression v=vo t at is dimensionally correct.where v and vo represent velocities,a is…

A: The objective of this question is to verify the dimensional correctness of the equation v = vo + at.…

Q: parallel-plate capacitor filled with air has plates of area 6.5×10−3 m2 and a separation of 0.32 mm.…

A: Area of plates, A = 6.5 x 10-3 m2separadtion, d=0.32 mm(a)(b)

Q: ind the total capacitance of the combination of capacitors shown: 0.30 uF 2.5 µF

A: When two capacitors are connect in series then equivalent capacitance can be calculated as, C =…

Q: • A block whose mass is 5kg rests on a horizontal surface, what constant horizontal force is…

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Q: 20 m/s west. He hears server is the biker headed east at 60 m/s. A. What frequency does the biker…

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Q: What is the sign and magnitude of a point charge that produces a potential of -2 V at a distance of…

A: Given:- The electric potential produced by the point charge is V = -2 V The distance at which the…

Q: In the figure below, charges totaling +2 C pass to the right through a cross-sectional area shown as…

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Q: Light of frequency f = 7.5 × 10 14 Hz is incident on the left side of the soap film. Determine the…

A: The frequency of the light on the left side of the soap film is

Q: Convert 48 miles per hour into m-s¹. Convert 3.056 yd² into m². 22²² 2.794 m 2

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Q: is my answer correct, if not what is the correct answer?

A: The objective of the question is to interpret the motion of an object based on the given Position…

Q: The two successive harmonic frequencies of a 0.45 m long sound pipe are 929 Hz and 1300 Hz. a) Is…

A: The objective of the question is to determine whether the pipe is open at both ends or only at one…

Q: charge q = 4.11×10−9 C is placed at the origin, x=0, and a second charge equal to -2 q is placed on…

A: a) The electric potential due to a point charge is given by V = kq/r, where k is Coulomb's constant,…

Q: The Lyman series of lines in the emission spectrum of hydrogen corresponds to transitions from…

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Q: (a) Will the electric field strength, E, between two parallel conducting plates exceed the breakdown…

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Q: Find the total capacitance for three capacitors connected in series, given their individual…

A: The given capacitances,

Q: Three 8.0μ C charges are at the three corners of an square of side 0.10 m. The last corner is…

A: side, d = 0.10 m charge, q = 8.0 uC q'=- 8.0 uC

Q: Recently unearthed discoveries in North and South American archaeological sites show that charcoal…

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Q: h <<a, b. The capacitor has a charge Q. The space between the plates is initially vacuum and we…

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Q: ⑥ = 1.5 A V = 6.0 V = ? V = ? 1 = 0.8 A | V = ? =?

A: Kirchhoff's laws are fundamental principles in electrical circuit theory. The two laws…

Q: calculate the deBroglie wavelength (nm) and frequency (Htz) of a 12.4 keV electron

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Q: The figure below shows the electric field generated by three point charges. Suppose a fourth charge…

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Q: A nonuniform wire of length L and mass M has a variable lin- ear mass density given by = kx, where x…

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Q: 4.15-volt battery is connected across a parallel-plate capacitor. Illuminating the plates with…

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Q: A cougar jumps to a height of 2.85 m when leaving the ground at an angle of 44.0°. What is its…

A: The objective of the question is to find the initial speed of the cougar as it leaves the ground. We…

Q: A line uniform charge Q runs along the y axis from 0 to L. What is the electric field at the…

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Q: The three charges Q1, Q2, and Q3 are located at (-a,0), (a,0), and (0,-d), respectively.   1.…

A: a) The work required to move Q3 from its present position to origin is zero: TrueExplanation: The…

Q: Three wires sit at the corners of a square all carrying currents of 2 A into the page as shown in…

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Q: The tension in a string is 18.1 N, and its linear density is 1.02 kg/m. A wave on the string travels…

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Q: A thin rod is bent into a circular arc that subtends an angle 2θ of a circle centered at P. A total…

A: The schematic diagram is given below

Q: A 12 N 60° 15 N 20% (b) 30 1. Determine the r and y components of each of the force vectors above.…

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Q: Given: F=vXB and O. F. What is the direction of v? of B

A: The equation F = v x B gives the force F on a charged particle of charge q moving with velocity v in…

Q: The position of an object is given by x = At + Bt², where is in meters and t is in seconds. Part A…

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Q: 2. Sound with a wavelength of 5.8 m moves through a material at a speed of 1508 m/s. What is the…

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Q: A capacitor is created by two metal plates. Each plate has dimensions L = 0.39 m and W = 0.38 m. The…

A: The objective of the question is to find the expressions for the magnitude of the electric field…

Q: 3. Consider the electric dipole that we studied in our lecture on the last pages of Module 1. It had…

A: In the question, it is given that there are two charges +q and +q on the z-axis at distance

Q: Calculate the magnitude of the electric field at one corner of a square 1.82 mm on a side if the…

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Q: -27 kg. A bare helium nucleus has two positive charges and a mass of 6.64 10 (a) Calculate its…

A: (a) The kinetic energy (KE) of the bare helium nucleus can be calculated using the non-relativistic…