What is the peak wavelength (in nm) of a neutron star's luminosity if its temperature is

Q: How much work must be done on the particle by the external agent? (in J)

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Q: 21. Which law states the relationship between the electrostatic force and the separation distance…

A: To find which law states the relationship between the electrostatic force and the separation…

Q: 2. Before 50.0 kg V₁ = 2.00 m/s V₂ = 0 m/s 25.0 kg €

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Q: An 8 kg object is placed on the top of a scale (balance) inside the elevator. If the elevator…

A: According to Newton’s second law, the sum forces acting on a mass m placed on elevator, which is…

Q: How can energy be transferred back forth between kinetic energy and potential energy?

A: Ans:-       Kinetic energy can be stored if we drop the object from the shelf or release the spring,…

Q: For each of the situations compare the forces exerted by the blocks on each other as they move on a…

A: To draw the force diagram for the given situations 7,8,9

Q: Question 21 of 22 The batteries in the circuit below are ideal with &₁ = 22 V and ₂ = 10 V. The…

A: To solve this problem we apply kirchoff's voltage Law   in circuit we take clockwise sense for flow…

Q: Find the work done by the force field F(x, y, z)=xi+yj+4zk on a particle as it moves along the path…

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Q: #53

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Q: Find the work done by the force field F(x, y, z) = (y + z, x + z, x + y) on a particle that moves…

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Q: PartB: What1 the change in prers ure, in pascals,07 bluool atthe brain due To sitingup, neglecting…

A: As person sits up and height was raised due to this as a result heart needs to create more pressure…

Q: 8. Find the work done by the field F in moving an object from P to 5 F(x, y) = x² ↑ + y³ Ĵ; P(1,0),…

A: Given, Force, F→ = x5 i^ + y5 j^ P1, 0, Q3, 3

Q: 39.) More work is needed to carry a heavy suitcase slowly up a flight of stairs than to carry the…

A: Work done is given as: W=F.s=Fs cos θ Where, W→ work done F→Force s→displacement θ→∠ b/w force &…

Q: While a roofer is working on a roof that slants at 38.0 ∘∘ above the horizontal, he accidentally…

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Q: Analyze the degree of freedom or how many independent controllers to be incorporated for the…

A: Solution The number of independent variables required to completely specify the state of a system is…

Q: How long will it take a 25 kW motor to lift a 1200 kg elevator from the ground to the 30th story of…

A: Power = 25 kW = 25000 WattsMass =1200 KilogramsHeight = 129 meters

Q: A speed boat requires 80kW to move at a constant speed  of 15 m/s.What is the resistance force of…

A: Resistance is a measure of the opposition to current flow in an electrical circuit. Here, we…

Q: A traveler pulls on a suitcase strap at an angle of 31.6 degrees above the horizontal. if 566 J of…

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