An object is pushed with twice the work input for twice the time. What do these two simultaneous changes mean for the amount of power required? Explain using the appropriate equation.

Q: A piano mover rolls a 200 kg piano at constant speed up a ramp 2m long at an angle of 30 degrees…

A: Given:  mass of the piano (m) = 200 kg; Ramp = 2m; Angle θ = 30o ;

Q: A skydiver is descending at constant speed after deploying her parachute. Describe what is happening…

A: As per Bartleby guidelines I have solved first three subparts out of multiple subparts and if you…

Q: Bob is pulling a box of his toys of mass 15.0 kg along a rough horizontal surface for a distance of…

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Q: Three forces, F1 = 20.0 N, F2 = 40.0 N, and F3 = 100000.0 N act on an object with a mass of 2.00 kg…

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Q: A bicyclist coasts down a 6.5 • hill at a steady speed of 3.5 m/s. Part A Assuming a total mass of…

A: Here, we calculate the given as follow;

Q: Draw a sketch and also a good FBD to identify the relevant forces doing work. Pay attention to the…

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Q: How much work is done by the force as the object moves from x = 0 to x = 2.0 m? Express your answer…

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Q: DETAILS SERPSE10 7.4.P.009. MY NOTES ASK YOUR TEACHER A particle is subject to a force F, that…

A: The area under the force time graph gives the work done.

Q: How much work must you do to push a 12.0 kgkg block of steel across a steel table (μkμk = 0.60) at a…

A: mass of block of steel (m) = 12 kg coefficient of friction = 0.60 steady speed (v) = 1.2 mstime…

Q: You throw a 3.00 N rock vertically into the air from ground level. You observe that when it is 14.0…

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Q: A child pulls on a wagon with a force of 75 N. If the wagon moves a total of 42 m in 3 min, what is…

A: Given information: The force applied by the child (F) = 75 N The distance moved by the child (d) =…

Q: elevator is used to move 15 passengers every minute from the first floor of a department store to…

A: Given  average weight (wavg)=61.3 kg height(h)=4.5 m no. Of passengers =15 Required power =?

Q: Two blocks are connected by a very light string passing over a massless and frictionless pulley…

A: Ans:- Image-1

Q: A 1300-kg elevator is lifted at a constant speed of 1.3 m/s through a height of 20 m. Part A How…

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Q: Bob is pulling a box of his toys of mass 15.0 kg along a rough horizontal surface for a distance of…

A: work done by a force, W=∫12F.ds=∫12F×cos(θ)×ds where  θ is angle between force F and displacement ds…

Q: A 1400-N crate rests on the floor. a.) How much work is required to move it at constant speed 5.0 m…

A: Given Weight of the crate is Fg=1400 N Displacement of the crate is d=5.0 m Frictional force is…

Q: Compute for amount of power generated in each case Case 1: Pushing a 5 kg ball cart from a side of…

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Q: A 13000 N elevator is lifted with a force of 16000 N against 2000 N of friction a distance of 19…

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Q: How much power is needed to lift a 75-kg student vertically upward at a constant speed of 0.33 m/s?…

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Q: An object moves in the positive x-direction under the influence of a force Fx . A graph of Fx vs. vx…

A: A) 8.88kW  B) 9kW

Q: A object of mass 3.00 kg is subject to a force Fx that varies with position as in the figure below.…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Chapter 07, Problem 061 Z Your answer is partially correct. Try again. What work is done by a force…

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Q: Bob is pulling a box of his toys of mass 15.0 kg along a rough horizontal surface for a distance of…

A: Given: The mass of the toy is 15 kg. The displacement of the object is 6 m in the horizontal…

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: What is the minimum work needed to push a 800 kg car 930 m up along a 7.5 ∘ incline? A) Ignore…

A: a)Consider the following diagram of car.

Q: The figure shows a top-down view of three forces applied to a box. Together, these forces drag the…

A: The total work done on the box is, W=W1+W2+W3=F1dcosθ1+F2dcosθ2+F3dcosθ3

Q: newtons for a distance of A boy raises a 20 kg rock to a height.of 1.5 meters. a) What force does…

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Q: A car is traveling in the x-direction and has the potential energy of 13000 j What is the…

A: potential energy = 13000 j The potential energy is due to the gravitational force acting on the car…

Q: Please do the d part of the question: A object of mass 3 kg is subject to a force Fx that varies…

A: Given :- graph between Fx-X   mass of object m=3kg

Q: ce in the rope is 58.0 N and the angle is 30° with respect to the horizontal. The frictional force…

A: GivenMass of boxm=15 kgDistance covered, d=6 mTension Force, T=58 NAngle, θ=30° Frictional force on…

Q: A particle was subjected to a force Fx that varies with position as described by the Fx vs. graph…

A: Data provided:  Force vs position graph Needed: Work done by the force from 0 to 10.0 m

Q: 1. A force of 80.0 N is used to pull a box through a distance of 60 m. If the force makes an angle…

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Q: 1. Two forces that are F, = 10 N and F2 = 5 N act on a body in a frictionless floor. If the…

A: 1. Given data: Magnitude of force 1 is, F1=10 N. Magnitude of force 2 is, F2=5 N. Displacement is,…

Q: ier of mass 62 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to…

A: mass, m = 62 kg distance, d = 45 m at 30 degree slope  velocity, v = 2.1m/s

Q: f his toys of mass 15.0 kg along a rough horizontal surface for a distance of 6.00 m. The tension…

A: Given:- the mass of the box is m= 15 kg  The angle at which the force is applied is 30 degree  The…

Q: A cart is pulled a distance D on a flat, horizontal surface by a constant force F that acts at an…

A: As there is no vertical motion of the cart, the distance traveled vertically will be zero. Calculate…

Q: What is the minimum work needed to push a 980-kg car 350 m up along a 8.0° incline? Ignore friction.…

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Q: The force acting on a particle varies as shown in Figure. Find the work done by the force on the…

A: Work done by Particle in Force (F) vs displacement (x) graph = Area enclosed between the graph and…

Q: A force of 5 N will stretch a rubber band 1 cm (0.01 m), Assuming Hooke's Law applies, how far will…

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Q: Bob is pulling a box of his toys of mass 15.0 kg along a rough horizontal surface for a distance of…

A: Given: The mass of the object is 15 kg. The displacement of the object in the horizontal direction…

Q: A object of mass 3.00 kg is subject to a force Fx that varies with position as in the figure below.…

A: If F-x graph is given then, work done= area under F-x graph.

Q: A loaded grocery cart is rolling across a parking lot in a strong wind. You apply a constant force F…

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Q: The figure shows a block of mass 10 Kg. Determine what will be the work done by the force F that…

A: The free body diagram for the problem is shown in the fig below The work done by a force F is W→=F→…

Q: A sledge loaded with bricks has a total mass of 17.6 kg and is pulled at constant speed by a rope…

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Q: A 50 kg skier leaves the top of a 10 m high frictionless slope (point "a") from rest and reaches the…

A: Given: The mass of the skier is 50 kg. The height of the friction-less slope is 10 m. The speed of…

Q: To push a crate of mass 70 kg up a frictionless ramp with an angle of 15 ° to the horizontal, a…

A: Work done on the crate by the worker Ww=FwL=950 N3 m=2850 J Work done by the weight of the crate…

Q: Bob is pulling a box of his toys of mass 15.0 kg along a rough horizontal surface for a distance of…

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Q: A fully loaded, slow-moving freight elevator has a cab with a total mass of 1000 kg, which is…

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