QUESTIONS An inventor develops a stationary cycling device by which an individual while pedaling can convert all of the energy expended into heat energy for warming water. She uses this invention to make a cup of c cup of coffee, one needs 210 g water, which is to be heated from 26°C to 84°C in 140 min. What minimum power must be generated by this inventor? (Assume that specific heat of water is 4186 ke 41ND DA 3640 W OR 2NW OC ASOW OD 607W

Q: A heavy sled is being pulled by two people as shown in the figure. The coefficient of static…

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Q: A small sphere of charge q = +66 μC and mass m = 5.4 g is attached to a light string and placed in a…

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Q: A hollow copper (Pcu = 8.960 × 10³ kg/m³) spherical shell of mass m = 0.9280 kg floats in water with…

A: Given Data: Density of copper (ρCu) = 8.960×103 kg/m3.Mass of the shell (m) = 0.9280 kg.Temperature…

Q: When a jellybean is placed 15.1 cm away from the center of a concave mirror, its image is located…

A: Given Data: Object distance (u) = 15.1 cm.Image distance (v) = -43.9 cm. (The negative sign…

Q: A 24.5 kg lawn mower is being pushed (down along the handle ) with 32.5N at an angle of 60 degrees…

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Q: Two loudspeakers are 1.60 m apart. A person stands 3.60 m from one speaker and 4.00 m from the…

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Q: A dust particle has an excess charge of 4.0 × 10º electrons and a mass of 6.0 × 10-8 g. It is…

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Q: A sound wave is traveling in seawater, where the adiabatic bulk modulus and density are 2.31 × 10⁹…

A: The speed of sound in seawater can be calculated using the formula: v = sqrt(K / rho) where v is the…

Q: In a particle trap, the position of an electron (mass 0.51 MeV/c²) is constrained to 0.11 nm. What…

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Q: The force acting on an object is given by F, = (7x - 12) N, where x is in meters. (a) Choose the…

A: Here force is given as F = 7x - 12  Here x is in meter and F is in Newton .

Q: Calculate the spectral line wavelength λ using the equation d sin 0 m X and its uncertainty X using…

A: the uncertainity in position Δx that is approximately equal to the particle's wavelength. In other…

Q: A 9.700-g bullet is fired into a stationary block of wood having mass m = 4.910 kg. The bullet…

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Q: When water boils in a pot with a loose lid, the increased pressure forces the lid upward, releasing…

A: m = 0.25 Kgh= 0.005 m   Part (A) We need to find word done by the steam as the lid moves upward Part…

Q: A double-slit experiment with d= 0.025 mm and L = 81 cm uses 580-nm light.

A: A double slit experiment. Wavelength of light is λ=580 nm Distance between slits is d=0.025 mm…

Q: A proton is moving parallel to an electric field that has magnitude E = 5.00 x 105 N/C. Find the…

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Q: Coherent light of wavelength 525 nm passes through two thin slits that are 4.15x10-2 mm apart and…

A: Wavelength of coherent light: λ = 525 nm = 5.25 × 10-5 cm Distance between two thin slits: d = 4.15…

Q: Starting from rest, a disk rotates about its central axis with constant angular acceleration. In…

A: angle rotated θ=14 rad Time taken t=5 s Initial angular velocity ωi=0 rad/s

Q: Current Attempt in Progress. A person hums into the top of a well (tube open at only one end) and…

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Q: Consider a finite square-well potential well of width 2.9 x 10-15 m that contains a particle of mass…

A: Mass, m = 2 Gev/c² = 3.2×10-10 J/c² Widht, L = 2.9×10-15 m

Q: A gas undergoes a process in a piston-cylinder assembly during which the pressure-specific volume…

A: m=0.4 lbp1=160 lbf/in2=160 lbf(112)2 ft2=23040 lbf/ft2v1=1 ft3p2=300 lbf/in2=300 lbf(112)2 ft2=43200…

Q: An LC circuit like the one in the figure below contains an 95.0 mH inductor and a 26.0 μF capacitor…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: A 677-nm-thick soap film (nfilm = 1.33) rests on a glass plate (nglass= 1.52). White light strikes…

A: Given Data: Thickness of the soap film (t) = 677 nm = 677×10-9 m.Refractive index of the film…

Q: A bowling ball of mass 7.7 kg and radius 9.0 cm rolls without slipping down a lane at 4.0 m/s Y Part…

A: Write the given values with the suitable variables. m=7.7 kgr=9 cm=0.09 mv=4 m/s Here, m, r, and v…

Q: A 44.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 144…

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Q: Use the KE vs. TIME graph below to answer the following questions. Express all answers in the…

A: From the kinetic energy vs time graph,   A) When the object is at rest that means the velocity of…

Q: 1.18 A load P is applied to a steel rod supported as shown by an alu- minum plate into which a…

A: l=12 mm sheering stress=180mPa The Stress of an aluminum plate: 70mPA

Q: For a 0.5-angstrom photon, the momentum is keV. keV/c, and the energy is

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Q: Now Jed and Kadia tackle a homework problem: An object of mass m, = 13 kg and velocity v, 5.5 m/s…

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Q: For a class demonstration, a professor needs to create a solenoid using copper wire with diameter d…

A: Diameter of copper wire (d) = 0.500 mm = 0.500 × 10-3 m Resistance of the solenoid (R) = 3.10 Ω…

Q: length of coaxial cable has an inner conductor that has a diameter of 2.58 mm and carries a charge…

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Q: Help answer a physics question at

A: The radius of the turn is 27.2 mExplanation:Step 1:Step 2:

Q: 5. A pendulum has a length of 0.65 m and a period of 4.1 s. The Pendulum is on an unknown planet.…

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Q: A spaceship traveling in the positive x-direction at 0.535c relative a space station shoots a…

A: Galilean Relativity assumes that the laws of physics are the same in all inertial reference frames,…

Q: A flat sheet is in the shape of a rectangle with sides of length 0.400 m and 0.600 m. The sheet is…

A: Given Area of rectangle A = 0.400 m × 0.600 m = 0.24 m2 Electric field E         = 81 N/C  Angle θ…

Q: Suppose a person is running at a speed of 5.2 m/s on a track that is a banked and is having a radius…

A: Speed, v=5.2 m/s  Radius, r=15 m  We have to find banking angle.

Q: Subject : -Physics

A: The mass per unit length of each wire,ml=0.057 kg/m Each of the four strings suspending the wire has…

Q: A 59.0-kg ice skater is moving at 3.96 m/s when she grabs the loose end of a rope, the opposite end…

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Q: Energy may be stored for use during peak demand

A: (b) (i) Energy required each night E = mgh = 1.35 X 105 X 9.8 X 135  =  178605000 J = 1.78605 X 108…

Q: What would be the uncertainty of VL if L= 1.07/ the uncertainty equals 0.05/ and VL= 1.0344?

A: Given L = 1.07 ∆L = 0.05  √L = √(1.07) = 1.0344

Q: Figure 0.75 3 m < 1 of 1 1.5m Part A Determine the angle between cables AB and AC Suppose that a 1.9…

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Q: An uncharged 1.0-µF capacitor is connected in series with a 21-k resistor, an ideal 7.3-V battery,…

A: Capacitance on uncharged capacitor, C=1.0 μF=1.0×10-6 F Resistance, R=21 kΩ=21×103 Ω Voltage, V0…

Q: EL.3. Solve for r the equation dr´ → = a't+7 →dr where a'and b'are constant vectors and whent=0, r,'…

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Q: . If an electric circuit could be compared to a water ircuit at a water park, then the current would…

A: 1) current : charge per unit time is called current current = i =qt

Q: When the outdoor emergency warning siren at aileen's school was tested, the sound from the siren…

A: GivenTime taken by sound to reach house (t)=4 sDistance between siren and her house (d)= 2.75 km

Q: A metal bar 6.0 m long, clamped at its center and vibrating longitudinally in such a manner that it…

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Q: B. Identify six action-reaction pairs (ARPS) in the situation illustrated below, where the tank is…

A: To identify action reaction pairs in given diagram

Q: The total electric flux from a cubical box of 28.0 cm in diameter is 1.45 x10³ Nm²/C. What charge is…

A: Given data, Diameter of cubical box d=28 cm. Electric flux ϕ=1.45×103 N/m2.

Q: A nonuniform, but spherically symmetric, distribution of charge has a charge density p(r) given as…

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Q: 3. Use the following information to answer parts a-c. Wave 1 has an amplitude of 40.0 cm, and Wave 2…

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