A force of 10 N is applied horizontally to a 2.0 kg mass on a level surface. The coefficient of kinetic friction between the mass and surface is .20. If the mass is moved a distance of 10 m what is the change in kinetic energy

Q: A block is moved up a 30-degree inclined plane by a force of 50 N parallel to the incline. How much…

A: According to question we need to find work done.

Q: The brakes of a truck cause it to slow down by applying a retarding force of 7560 N to the truck…

A: The objective of this question is to calculate the work done by the force applied by the brakes of…

Q: A 110 kg man is skiing across level ground at a speed of 9.5 m/s when he comes to the small slope…

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Q: With regards to the work done on the sled, indicate if the work is done by a conservative force (1)…

A: Before answering this problem it is must to understand the concept of conservative and non…

Q: Part (a) Write an equation for the work done by gravity as a 100-kg object falls from a height R,…

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Q: Choose the correct statement a A displacement must cause work b Work is not dependent on…

A: We know that the workdone is given as the product of applied force and the displacement of the…

Q: A student pushes a textbook 1.0 m across the table.  She uses an applied force of 5.0 N against a…

A: Net work done is the sum of work done by the student and by the force due to kinetic friction.

Q: An apple crate with a mass of 12.0 kg accelerates along a frictionless surface as the crate is…

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Q: A speed boat requires 58 kW to move at a constant speed of 23 m/s.  What is the resistive force in…

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Q: A mechanic uses a chain and bloc pulley to lift a 875-kg engine 4.0 m to the top of the garage. the…

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Q: A man is pushing backwards on a rolling cart on an icy surface to stop it.  As they both slide to…

A: Work done is defined as the dot product of force vector and displacement vector. When the force…

Q: Work is (select all that apply) the force times the parallel displacement the dot product of force…

A: Solution: Work done is defined as the dot product force and displacement where θ is the angle…

Q: Josh pushes a 48.0-kg shopping cart with a force of 85.0 N in a direction 35.0° below the horizontal…

A: weight of cart w = 48kg applied force on cart F = 85N the applied direction θ = 35° distance moved…

Q: The brakes of a truck cause it to slow down by applying a retarding force of 7380 N to the truck…

A: Work Done (W) = F*X Where,    F= force applied    X= displacement

Q: Two constant forces act on an object of mass m = 5.90 kg object moving in the xy plane as shown in…

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Q: A person pushes on a box that’s initially at rest across a surface with friction. The box’s velocity…

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Q: A rope is making an angle 60° drags a 5 kg tool box to a horizontal distance 13 meters. The tension…

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Q: An object with m= 27 g is hanging, without moving from a vertical spring extended by 19 cm.…

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Q: Determine whether the following statement is true or false and the reason your choice is correct. A…

A: Consider the variable x, where x=the length of the cable that has been pulled uptotal length of the…

Q: Which of the following situations results in the greatest amount of work? F A dog drags a bone with…

A: The work done is given by W = F × d Here, F = force d = displacement in the direction of the force

Q: A mother carries a 15 kg child up the stairs to bed. If the stairs have a vertical height of 3.2 m,…

A: The work done by the gravity on the child can be given as

Q: What is the work required to raise a 200 kg barbell to a height of 1.25 m? From the problem, what is…

A: Given data:  Mass (m) = 200 kg Height (h) = 1.25 m Required: Force (F)

Q: Is your hypothesis "If the loss of energy is related to the amount of friction, then the higher the…

A: The frictional energy lost in the form of heat is equal to the work done by friction against motion.

Q: A 42 kg seal slides from rest down a ramp into the pool below. The top of the ramp is 1.75 m than…

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Q: box sits on the horizontal bed of a truck that is accelerating to the left, as shown in the diagram.…

A: A block is placed on truck. And truck is moving leftward.We need to determine work done by…

Q: A block is given a short push and then slides with constant friction across a horizontal floor.…

A: Friction force always oppose the motion.

Q: Lifting an object from the ground and raising it to a given height does work because? a) the…

A: When lifting the object from the ground and raising the object to a height doing work because the…

Q: When the speed of your plane is tripled what is the ratio of new kinetic energy compared to the…

A: The expression for the original kinetic energy of the plane is given as Uk=12mv2     (1) From the…

Q: work is being done when an object is displaced in the same direction as the force applied.   -…

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