A heat engine runs with an efficiency of 0.14 by burning fuel at 304 deg C. Find the temperature of the cold resevoir. Express in deg Celsius.

Q: Find the total resistance if R1 = 250 ohms and R2 = 300 and R3 connected in series. = 800 ohms are…

A: Resistance values   R1=250ΩR2=300ΩR3=800Ω

Q: A magnetic field B = 4 x 10-³ T points out of the page in the grey area. A charge q = +4.3 x 10-6 C…

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Q: Calculate the voltage (in V) applied to a 2.20 µF capacitor when it holds 3.15 µC of charge.

A: A capacitor having capacitance C=2.20 μF Charge is Q=3.15 μC Note: 1 C=106 μC 1 F=106 μF Find:…

Q: 1. b) Write down the second order ordinary differential equation that represents the electric…

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Q: MY NOTES ASK YOUR TEACHER A photon initially has a momentum of p, & a frequency of fe. If its…

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Q: Find the magnitude and the direction of the displacement in each of the following problems, using…

A: See below

Q: A laser is shone through a diffraction grating and the diffraction pattern is created on a ruler as…

A: A diffraction pattern of laser is shown on ruler of scale by 3 dots. The center dot is for zeroth…

Q: Find how many Joules per second it takes to power a circuit that has a 21 V battery and a 382 Q2…

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Q: 13. Consider this circuit; the current through it is 3 A. (a) What is the potential difference AV…

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Q: MY NOTES A rocket is traveling through space and its Lorentz factor (y) is 2.2. Determine the…

A: given  lorentz factor = 2.2 we have to calculate  velocity  (kinetic energy)/ total energy

Q: How Well Does Sound Travel Through Different Mediums?

A: A sound is a wave that travels through a medium by means of particle-to-particle interactions. The…

Q: Find the z-component of the gravitational field due to the ring at a point P on the z-axis at a…

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Q: A concave mirror (f = 45 cm) produces an image whose distance from the mirror is one-third the…

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Q: The image behind a convex mirror (radius of curvature = 66.0 cm) is located 29.0 cm from the mirror.…

A: radius of curvature of convex mirror = +66 cm Image distance (i) = +29 cm (positive sign shows the…

Q: 1) An initially non-charged gold leaf inside an electroscope has a total dimension of 2 [cm] x 4…

A: An initially non-charged gold leaf inside an electroscope has a total dimension of 2 cm×4 cm. It is…

Q: Student Engagement (SE) Think-Pair-Share Solve the problem. 1. You are using a wheel and axle as a…

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Q: For a particle moving in 3D along a helix curve given as p(t) = α cos ωti+α sin ωtj +γtk, where α,…

A: given that p(t)=αcosωt i^+αsinωt j^+γt k^velocity isv(t)=dp(t)dt     =-αωsinωt i^+αωcosωt j^+γ k^…

Q: You attach an object to the bottom end of a hanging vertical spring. It hangs at rest after…

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Q: Panel ABC in the slanted side of a water tank is an isosceles triangle with vertex A and base BC=2…

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Q: Calculate the light intensity 2.55 m from a light bulb that radiates 125 W equally in all directions…

A: Radius, r = 2.55 m Power, P = 125 W Intensity, I = ?

Q: 1. Define the quantities of LET (Linear Energy Transfer), Exposure and Absorbed Dose? What is the…

A: Linear Energy Transfer (LET) is a measure of the amount of energy deposited by ionizing radiation…

Q: 6Ω sing the diagram, find a. The total resistance b. The total current 15Ω 10 Ω

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Q: Problem 5: L. Bone SENS Muscle 100° 30 cm 4 cm 40 cm Fm W A simplified model of a human arm holding…

A: Given:length of the forearm; l = 40cm = 0.4 mmass og the fore arm, m = 1.7 kgtherefore weight of the…

Q: A disk drive is spinning at 10,000 rpm (1045 rad/s).  It decelerates to rest in 0.42 s.  The disk is…

A: Initial angular velocity of the disk, ωi=1045 rad/s Final angular velocity of the disk, ωf=0…

Q: A particle of relativistic mass 1.80x10-29 kg is moving with a constant speed of 3c/5 to an inertial…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Consider (Figure 1). Figure L. +3.0 nC 10 cm 5.0 cm -6.0 nC 1 of 1 > ▼ Part A What is the strength…

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Q: A leaky faucet drips 40 times in 20.0 s. What is the frequency of the dripping? O 2.0 Hz O 0.62 Hz 0…

A: Number of dripping, n = 40  Time, t = 20 s Frequency, f = ?

Q: •How much heat does it take to boil 1.0 m³ H₂O at 100K? Assume the specific heat of ice is 2090…

A: The volume of water, V=1m3 The initial temperature of ice, Tiice=100 K The specific heat of ice,…

Q: More lenses. Object O stands on the central axis of a thin symmetric lens. For this situation (see…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Find the magnitude and the direction of the displacement in each of the following problems, using…

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Q: SPEAR is a storage ring at the Stanford Linear Accelerator which has a circulating beam of electrons…

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Q: Suppose your shortwave radio has a frequency of 300 MHz. If the speed of light is 300,000,000 m/s,…

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Q: The figure below shows a toroidal coil of wire with N = 114 loops. If the flux through each loop is…

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Q: A spaceship travels at a constant speed from earth to a planet orbiting another star. When the…

A: Calculate the ratio of the elapsed time on the earth to the elapsed time on board the ship.…

Q: 14 Jamelle stands at the window of a building 6.2 m above ground level. She throws her keys straight…

A: This problem is related to motion in a plane to solve this problem first we apply equation of motion…

Q: Assume the radiation from a heat lamp is monochromatic, with a wavelength of 1.5 μm . I =3.313…

A: Given Data: The intensity of the radiation  I=3.313 kW/m2 =3313 W/m2. Wavelength of radiation λ=1.5…

Q: To measure the magnitude of the acceleration due to gravity g in an unorthodox manner, a student…

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Q: Consider a 2 μC charge and a -3μC charge that are 1.2 m apart. (a) (b) Find the electric potential…

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Q: A coil of wire with 50 turns lies in the plane of the page and has an initial area of 0.310 m2. The…

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Q: Skylar pulls a 6.00-kg crate across a horizontal floor for a distance of 2.6 m as shown. The tension…

A: Frictional force: f = 12 N Displacement: d = 2.6 m   The friction force will always act in the…

Q: A charge moves in a circle in a magnetic field at 12 m/s. If the 2 x10−5 T field points out of the…

A: Velocity of charge, v=12 m/sMagnetic field, B=2×10-5 TRadius of circle, r=5 cm=0.05 mCharge, q=3…

Q: Can you show me the conversions of how you got 33.56? I am still confused

A: The sound travels , at 1,088 feets per second .  Also circumference of earth r = 131479714.567feets…

Q: The spring in (Figure 1) is compressed by 10 cm. It launches a block across a frictionless surface…

A: For single spring attached to block: 1) Spring constant: k = 25 N/m 2) Compression in spring: ∆x =…

Q: A square loop of wire enters a magnetic field which is pointing out of the page, which induces a…

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Q: Write an expression for the magnitude of six balls' velocity, in terms of the angles given in the…

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Q: What is the equivalent resistance of these two resistors?

A: Resistance of the two resistors is R1=3 Ω, R2=7 Ω Equivalent resistance of the two resistors.

Q: Determine by direct integration the moments of inertia of the trapezoidal area about the x- and…

A: The length of the base =2b The height of the trapezoid, H=1.1b The length of the upper side = 3b

Q: Imagine you have four identical charge q, placed on the corners of a square. If q = 17.33 uC, then…

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Q: A bullet of mass 4.1 g strikes a ballistic pendulum of mass 2.3 kg. The center of mass of the…

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Q: diagram shows the pressure and volume of an ideal gas during one cycle of an engine. (Figure 1)As…

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