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Q: Calculate q when a system does 45.53 J of work and its energy decreases by 77.71 J
A: Given data: The work done by the system, W=45.53 J. The change in internal energy of the system,…
Q: A 10 kg object is released at the top of a building 100 m high. If the force of air resistance is on…
A: Given: The mass (m) of the object is 10 Kg. The height (h) of the building is 100 m. The force of…
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 70 kg firefighter slides, from rest, 4.3 m down a vertical pole. (a) If the firefighter holds onto…
A: Given : height of pole, h = 4.3 m mass of firefighter, m = 70 kg average…
Q: 2. Before 50.0 kg V₁ = 2.00 m/s V₂ = 0 m/s 25.0 kg €
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Q: How much work is done by pulling the box in the figure for distance 20 em F-30 N 60 O 300 N O 3J O O…
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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: In the figure below, a frictionless roller coaster crosses the first hill of height h = 55.5 m with…
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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: A force (2î -4ON moves an object from the point P (1, 3) m to the point O (3, 8) m. The work (in )…
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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: An electric car can go 150 km on a test track at a constant speed of 100 km/hr on one charge of its…
A: Given data: The distance traveled is d=150 km. The speed of car is v=100 km/hr. The new speed is…
Q: A 1000 kg roller coaster in an amusement park left the 65-m high launching platform to reach ground…
A: Solution: To solve this problem, we need to consider the energy conservation and the forces acting…
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: 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: Determine the work (in Joules) done if the force of friction is 20 N and the applied force of the…
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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: of 38.5 m/s anc
A: Given: Speed of ramp is 38.5 m/s Speed of trajectory trap is 36.1 m/s
Q: At the Earth's surface, a projectile is launched straight up at a speed of 7.7 km/s. To what height…
A: Given, Speed = 7.7 km/s We need to calculate, Height =?
Q: What is the speed of a 14 kN body at rest then falling from a height of 238 m.
A: During free fall if the air resistance is neglected the final velocity of a body dropped from a…
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: While a roofer is working on a roof that slants at 38.0 ∘∘ above the horizontal, he accidentally…
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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: Show how a change in ⁰F is equal to a change in R.
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Q: A 59.0 kg skateboarder wants to just make it to the upper edge of a "quarter pipe," a track that is…
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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: A roller-coaster car descends 38 m from its highest point to its lowest. Suppose that the car,…
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Q: Usain Bolt grabs a rope hanging vertically from an overhead bar when he is running at 10.44 m/s. How…
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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 10 kg object is released at the top of a building 100 m high, If the force of air resistance is on…
A: Given m=mass of object=10Kg h=height=100m Fair=air resistance=30N
Q: A tumbleweed rolls off a 120m high cliff with a speed of 23.6 m/s. What would the final velocity of…
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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…
Q: The Joule is a unit of energy O equal to N-m O a unit of work O all of the above
A: Introduction: The capacity of doing work is known as the energy of the object, the unit of the…
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