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Q: The force exerted by an electric charge at the origin on a charged particle at a point (x, y, z)…
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Q: How much work must be done on the particle by the external agent? (in J)
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Q: How long will it take a 4 hp motor to lift 400 kg piano to a sixth story window 1800 m above?
A: 1hp =746W so 4hp=4*746=2984W Mass ,m =400kg Height, h=1800m energy required to lift, E=mgh where g…
Q: 4. In the figure shown, determine the work done by the gravitational force on a 5.50-kg particle as…
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Q: A 5-kg object is pushed across a level surface with a force of 12 N for a distance of 6 m. How much…
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Q: gir A vehicle went akimbing up a gradient Consumes petrol at a rate of 14/8 km, while coming down it…
A: Given: A vehicle climbing up a gradient consumes petrol at a rate is 1 L/ 8 km A vehicle coming down…
Q: 2. Before 50.0 kg V₁ = 2.00 m/s V₂ = 0 m/s 25.0 kg €
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Q: Calculate q when a system does 49.67 J of work and its energy decreases by 77.26 J.
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Q: A force (3x'i • 2y'i) N acts on an object as the object moves in the x-direction from the origin to…
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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: Which of the following the SI unit for gravitational kinetic enengy O Work O Wat Joule O Kihigram O…
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Q: A val IS KICKeu iHoI ne grounu at pom U WII an al verocty vo makes an angle 0 = 30° with the…
A: Hi, you have submitted multiple questions and it is not specified in which problem you need help.…
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: 12. How long will it take a 2750-W motor to lift a 385-kg piano to a sixth-story window 16.0 m…
A: Given, Power = 2750 W mass = 385 kg length = 16 m
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: 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: can a potential energy be negative? or it should always be positive?
A: Potential energy can be positive , zero or negative . It is a relative term which depends on…
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: 49. Find the work done by the vector field x²+y² i+ Vx2 + y² in moving an object around the unit…
A: Given; Fx,y=xex2+y2x2+y2i+yex2+y2x2+y2j
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: 44. The work done when the point of application of a force F=(15i+7k)N moves through a displacement…
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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: Calculate q when a system does 57.7 J of work and its energy decreases by 71.47 J
A: Given data: Work done by system on surrounding W = -57.7 J Change in internal energy (ΔU) = -71.47…
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: 2.) A charge of G.OX10 C is frans ferred from Infinity to point B. If the work dene by the elechric…
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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 traveler pulls on a suitcase strap at an angle of 31.6 degrees above the horizontal. if 566 J of…
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Q: The gravitational potential energy stored in a box of weight 150 kgf is 1.5* 104 J. Find the height…
A: Write the given values with the suitable variables. W=150 kgf=150×10 NP=1.5×104 J Here, W is the…
Q: A block of iooo d of mas8 350g is moring at a speed ofs Fin d its kE in Joules. ms
A: Given data : Mass = m Velocity = v To find :…
Q: A 50 kg. diver gets ready to dive from a 10 meter high diving board. how much gravitational…
A: The mass of the diver is given as, m=50 kg. The height of diving bored from ground is given as, h=10…
Q: ot a 51 g ring consta tched by 0. s the pebble
A: We know that As per given The catapult is initially stretched by x =0.2 m The pebble files let a…
Q: The "Green Monster" is the name for the left-field wall at Fenway Park and is 11.33 m tall. How much…
A: Given that,Height : h = 11.33 (m)Mass : m = 0.2 (kg)Here we need to find the gravitational potential…
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