A mover pushes a 260 kg piano on wheels up a ramp 7 meters long onto a stage 1.75 meters above the ground. The mover pushes the piano with a force of 680 N and the coefficient of friction is 0.0099. If the piano started at rest, how much change in KE is there when it reaches the top of the ramp?

Q: 09: A person trying to lose weight by burning fat lifts a mass of 10 kg up to a height of 1 m 1000…

A: Given : Lifting mass = 10 kg Height = 1m Number of times = 1000 Energy supplied by fat per kg…

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A: Initial velocity (u) = 3.60 msFinal velocity (v) = 0 msCombined mass = m coefficient of kinetic…

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Q: A man on a sleigh has a total mass of 137.6 kilograms. The sleigh starts from rest and slides down a…

A: Given Data:  Total Mass, M=137.6 kg Initial velocity, u=0 m/s Final velocity, v=6.2 m/s

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Q: An 85-g arrow is gired from a bow whose string exerts an average force of 105 N on the arrow over a…

A: Given,

Q: An 54.0-kg man eats a banana of energy content 449 kJ (107 kcal). If all of the energy from the…

A: Given data:  Mass (m) = 54.0 kg Kinetic Energy (KE) = 449 kJ = 449000 J Initial velocity (Vi) = 0…

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A: Given that - Force Angle Mass Distance To Find - We have to determine the speed of the cart.

Q: When a 101 g mass is has stretched a k-9,75 N/m spring 20.4 cm, how much potential energy has been…

A: Given: Mass is m=101kg. Spring constant k=9.75Nm. Stretch in the spring is ∆x=20.4cm.

Q: A 70 kg person runs up a staircase 3.0 m high in 3.5 s.  How much horsepower does he develop in…

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Q: A 100 kg box has 5,000 J of kinetic energy. The coefficient of friction between the box is 0.4. How…

A: Given that Mass of the box m = 100 kg Kinetic energy K = 5000 J Coefficient of kinetic friction is μ…

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Q: What is the kinetic energy of a 1.2 x 10³ kg car whose velocity is 35 km/hr? 39.54 kJ O 49.12 kJ…

A: Given data:  Mass (m) = 1.2×103 kg. Velocity (v) = 35 km/hr Required: The kinetic energy (KE)

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A: Given: Distance traveled, d=150 m Mass, m=1120 kg Force, F=180 N Formula: Work=Force×distance W=F×d

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Q: A 1.000 ´ 103 kg car is moving at 90.0 km/h (25.0 m/s) as it exits a freeway. The driver brakes to…

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A: Given: The mass of the first block is 2 kg. The mass of the second block is 4 kg. The height of the…

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Q: Q22. A fish weighing 35 kg dives and hits the ground (zero height) with kinetic energy equal to…

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A: The work done is given by the product of force and the displacement. W = F s

Q: What is the kinetic energy of a 1200 kg car whose velocity is 40 km/hr?

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