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Q: 4. If 80J of heat flow from a 40°C block into a 20°C block, what is the change in entropy of both…
A: One of the blocks is at a temperature of 40o C while the other is at a temperature of 20o C. 80 J of…
Q: A spring with spring constant 17 N/m hangs from the ceiling. A ball is attached to the spring and…
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Q: resistor.
A: Given: Emf is 24 V Resistance is 6 ohm Current is 2.5 A
Q: Show that it is possible to position a convex rock of surface area S in sunlight in such a way that…
A: For simplicity we assume the shape of convex lens is sphere. Then is surface area is S= 4πr2.....(1)
Q: A negatively charged particle moves in a uniform magnetic field that has a positive x- direction.…
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Q: A 12.0-V battery is connected to a series circuit containing a 10.0-Q resistor and a 2.00-H…
A: Given, battery V = 12.0 V resistor R = 10.0Ω inductor L = 2.00 H…
Q: positive and a negative point charge What is the direction of the magnetic force that the upper…
A: The potential energy of the system decreases as the negative charge moves opposite the electric…
Q: Speed of an election passing undeviated the ough a leguen of veoss electric & magnetic fields of…
A: We need to compute-Speed of an electron (V)=?The data given as-Intensity of electric field (E)=4×105…
Q: The mine car and its contents have a total mass of 5 kg and a center of gravity at G. If th…
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Q: Calculate L for the coil if the induced emf is measured to be 2 V for a call with 50 closed turns…
A: Given data: Induced emf =2VNumber of coil,N=50I1=0I2=5At=0.1 s
Q: A 510-turn solenoid has a radius of 8.00 mm and an overall length of 14.0 cm. What is its…
A: Solution:-Given thatNumber of turns (N)=510Radius (R)=8 mm=0.008 mOverall length (L)=14 cm=0.14 m
Q: C and D
A: The luminosity of sun is known. This is the energy released per second. We then find the number of…
Q: An electrical circuit has a 5.31-V battery wired to two resistors, 1.84 Ohms and 6.90 Ohms, in…
A: Given: Resistance R1=1.84ohm Resistance R2=6.90ohm Voltage(V)=5.31 To find: Current (I)
Q: 4 2 with an initial speed A small ball of mass m is thrown at t = 0 from a height I = 65 m t₁ = 14…
A: We are given height from where the ball is thrown. We first find the speed of ball at given time. We…
Q: Calculate the magnitude and direction of the resultant of the following four vectors using the…
A: Let A = 200 m, 30o N of E B = 500 m, 60o N of W C = 100 m, 25o S of W D = 300 m, 45o S of E
Q: 2. A1m length dye laser emitting around 500 nm emits 500 longitudinal modes. What is the bandwidth…
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Q: Suppose you have two point charges of opposite signs placed a distance d from each other. Assume…
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Q: West * north cast south X хо 0.8 m X X 1.20 N, 36.9° north of west 1.20 N, 53.1° north of west 1.20…
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Q: If an astronaut who is orbiting the planet at a radius of 3R wants to move their orbit to a radius…
A: Solution: The required direction can be given by the following formula: θ=π1-122r1r2+13…
Q: A fly wheel in the form of disc is rotating about an axis passing through its center and…
A: We need to compute-(i) Moment of inertia of flywheel about an axis passing through its center and…
Q: x (cm) 20 10 0 ▼ f= Value Submit Part C Request Answer %= What is the phase constant? Express your…
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Q: 18.6 Consider a rectangular aperture of dimensions 0.2 mm x 0.3 mm. Obtain the positions of the…
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Q: V1 20V R1 100kOhm C1 50Uf In the given circuit, calculate the time after connection when the…
A: We are given value of resistance and capacitance. The time constant is given as τ=RC Here R,C are…
Q: A thin wire of length (L) and uniform linear mass density (p) is bent into a circular loop. The…
A: We need to compute-Moment of inertia (I)=?The data given as-Length of wire=LDensity (δ)=MLA wire is…
Q: Problem 3 | In the figure below, light of wavelength 600 nm is incident perpendicularly on five…
A: We are given thickness of the transparent film. We are given wavelength also. We are given the…
Q: Sort the following atoms in order of their first ionization potential from lowest to highest, that…
A: The problem is based on the concept of ionisation potential. Ionization potential is the potential…
Q: Volume/cm³ 60 55 50 45 40 35 30 25 20 15 10 50 75 100 125 150 175 200 225 100 150 200 230 270 300…
A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…
Q: An uncharged conducting cube is initially grounded as shown in the figure. A rod with charge +3q is…
A: Need to find Final charge of the cube .
Q: An object is placed 20 cm to the left of a converging lens of focal length 30 cm. A diverging lens…
A: We are given object distance from convex lens. The image formed by this works as virtual object for…
Q: Please resolve this since the answer is not in the choices
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Q: A 6µC point charge is located at the origin. What is the electric field at a point located on the x…
A: We have Charge. q = 6 micro coulomb q = 6 × 10-6 C distance x = 5 cm x =…
Q: A person pushes at a 0.5m wide door and makes its edge accelerate at 3m/s2. What is its angular…
A: Since edge acceleration is the tangential acceleration of door that is it make 90° with width r.…
Q: A round pipe of varying diameter carries petroleum from a wellhead to a refinery. At the wellhead…
A: Given: In this question, the given values are, Diameter, d1=0.583 m. Flow Speed of the petroleum is,…
Q: Some cookware has a stainless steel interior (α = 17.3 × 10¯6 K¯¹) and a copper bottom (α = 17.0 x…
A: The difference between the change in diameter of the steel inside and copper bottom must be…
Q: What are the major losses that should be taken into account when intend to design an accurate model…
A: A transformer is a device which works on electromagnetic induction. When an alternating current is…
Q: 7. 8. 10. A cantilever beam carries a uniformly distributed load of 10 N/m as shown in the following…
A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…
Q: O X T N 4 5 6 8 7 Four, long, parallel power lines each carry 100-A currents. A cross-sectional…
A: Solution:-Given that
Q: Ex. 6 The equation of transverse wave in a : t €60.01 (30) - 0.01 30 stretched string is Y = 4 sin…
A: We need to compute-(i) amplirude (a)=?(ii) Wavelength (λ)=?(iii) Frequency (n)=?(iv) Velocity…
Q: A nucleus of 238 Np captures a thermal neutron to form a nucleus of 239 Np . What is the excitation…
A: We are given nucleus capturing neutron. We find the difference in mass of reactants and products.…
Q: : Calculate the value of resistance needed to convert a moving coil galvanometer of 60 into an…
A: We need to compute-Resistance (R)=?The data given as-Resistance of galvanometer (G)=60 ohmMaximum…
Q: Each of the plates of a parallel-plate capacitor has an area of 2.00 cm², and they are separated by…
A: Given,The area of a parallel plate,A = 2 cm2=2×10-4 m2The distance between the plates, d = 2.5…
Q: a 45 m wire is coiled so that it makes a coil containing 100 circular loops, one on top of the…
A: Given: In this question, the given values are, The length value is, L=45 m. The given value of the…
Q: Suppose the current in a conductor decreases exponentially with time according to the equation…
A: When charged particles move electric current is created. It is defined as the flow of charges…
Q: What is the angular momentum of a particle whose rotational kinetic energy is 20 J, if the angular…
A: We need to compute-Angular momentum L=?The data given as-Kinetic energy (KE)=20 JMoment of inertia…
Q: 9.00 cm P 12.0 cm I = 12.0 A 2.50 mm segment A straight wire carries a 12.0 A current. What is the…
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Q: A spring with a 10-kg mass and a damping constant 18 can be held stretched 0.5 meters beyond its…
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Q: we
A: Given: Radius is 1.77 cm Densities of platinum and mercury are 2.14×104kg/m3 and 1.36×104 kg/m3
Q: Radius of gyration of disc rotating about an axis perpendicular to its plane passing through its…
A: We need to compute-Radius of gyration (K)=?The data given as-A circular disc, which rotating at axis…
Q: 5. ssm The drawing shows a jet engine suspended beneath the wing of an airplane. The weight W of the…
A: We will answer the question using formula for torque. The detailed steps are given below.
Q: (2) A 65kg woman climbs a flight of 20 stairs, each 23 cm high. How much work was done against the…
A: Given that:-→Mass of woman m=65kg→Number of stairs =20→Height of each stair=23cm=0.23m→total…
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