Part A How much work must you do to push a 10 kg block of steel across a steel table at a steady speed of 1.2 m/s for 7.2 s? The coefficient of kinetic friction for steel on steel is 0.60. Express your answer in joules. Πνα ΑΣφη Wpush = J Submit Previous Answers Request Answer X Incorrect; Try Again Part B What is your power output while doing so? Express your answer in watts. V ΑΣφ P = W Submit Previous Answers Request Answer

Q: Part A A 600 N crate slides 12 m at constant speed down a ramp that is tilted 35° above horizontal.…

A: Given: weight of crate mg = 600N distance slides d = 12m angle θ =35°

Q: Part A Calculate the work done by gravity on the watermelon during its displacement from the roof to…

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Q: Part A Suppose a 70 kg sprinter, starting from rest, runs the first 15 m in 3.0 s at constant…

A: Given: The mass of the sprinter is 70 kg. The displacement of the object is 15 m in the first 3 s.…

Q: A tow truck pulls a car 5.00 km along a horizontal roadway using a cable having a tension of 850 N.…

A: Given data: Displacement, d=5.00 km = 5.00×103 m Tension force in the cable, FT=850 N

Q: ce on a 1700-kg coaster train? Part B How much work is done by friction during the time the…

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Q: How much work does an elevator motor do to lift a 1800 kg elevator a height of 100 m ? Express your…

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Q: A skier of mass 80 kg is pulled up a slope by a motor-driven cable. A) How much work is required to…

A: Draw the free body diagram of the skier.

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

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Q: 1) A woman does 150 J of work to move a table 2 m across the floor. What is the magnitude of the…

A: Note :As per our guidelines we are supposed to answer only one question . Kindly repost other…

Q: (a) Calculate the work done by a 5.6 N force pushing a 400. g sandwich across a table 0.75 m wide.…

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Q: Part A An elevator weighing 2900 N ascends at a constant speed of 7.0 m/s. How much power must the…

A: weight of elevator (w) = 2900 N constant speed of elevator (v) = 7 ms , upwards

Q: Part A An elevator weighing 2700 N ascends at a constant speed of 7.0 m/s. How much power in hp must…

A: Given data: Weight of elevator, W=2700 N Speed, v=7 m/s Our question is to find the power in hp.

Q: Part A If the coefficient of kinetic friction is 0.24, how much work do you do when you slide a 50…

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Q: Part A How much work is done when a 115 g tomato is lifted 10.0 m? Express your answer with the…

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Q: ▼ Part A How much work did the movers do (horizontally) pushing a 50.0-kg crate 10.5 m across a…

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Q: A0.16 kg pinecone falls 18 m to the ground, where it lands with a speed of 11 m/s. Part A How much…

A: (A) The work done on pinecone by air resistance is the difference in kinetic energies between…

Q: Part A How much work does an elevator motor do to lift a 1300 kg elevator a height of 100 m ?…

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Q: A 67.6 kg runner has a speed of 5.10 m/s at one instant during a long-distance event. (a)Apply…

A: mass = 67.6 kg speed (u ) = 5.1 m/s   a) Runner's kinetic energy at this instant = (1/2) m(v)2 K.E =…

Q: A. Suppose you lift a 15 kg box by a height of 1.0 m. How much work do you do in lifting the box?…

A: (a) The work done in lifting the box is

Q: Part A A 25 kg air compressor is dragged up a rough incline from T1 = (1.3î +1.35) m to 72 = (8.3î…

A: Given that:- Mass of air compressor=25kg

Q: Part A How much work is done on the book by friction during a displacement of 3.6 m to the left?…

A: The work done(W) by any force (F) on a particle is given as, where 's' is the displacement of the…

Q: (a) You displace the object from x = 0 to ₁ > 0, holding the object steady at the beginning and end.…

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Q: A 0.14 kg pinecone falls 18 m to the ground, where it lands with a speed of 13 m/s. Part A How much…

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Q: A 2400 kg elevator accelerates upward at 1.40 m/s for 15.0 m, starting from rest. Part A How much…

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Q: Part A The two ropes seen in (Figure 1) are used to lower a 255 kg piano 6.30 m from a second-story…

A: mass of piano (m) = 255 kg distance by which the piano is lowered (d) = 6.30 m T1 = 1830 N T2 = 1295…

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…

A: Given data:  Mass (m) = 1300 kg Constant Speed (v) = 1.3 m/s Height (h) = 20 m Required: Work done…

Q: Problem 3: In the Figure below three ropes are used to drag a box a distance d = 3 m across the…

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Q: A 67.1 kg runner has a speed of 5.30 m/s at one instant during a long-distance event. (a) What is…

A: Kinetic energy of an object with mass m moving with speed v is given as:          K.E=12mv2 Work…

Q: 2. The potential energy function associated with a force acting on a system is U = 3x3 – 5x. a) What…

A: (a) The potential energy function associated with a force acting on a system is given U = 3x3 – 5x.…

Q: Part A On an essentially frictionless, horizontal ice rink, a skater moving at 5.0 m/s encounters a…

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Q: Part A You apply a constant force F = (-68,.0 N)î + (36.0 N)ĵ to a 430 kg car as the car travels…

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Q: Part A How much work does it take to stretch a spring with k = 250 N/m 10 cm from equilibrium?…

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Q: hw 28 question 4 part a

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Q: Part A A spring of negligible mass has force constant k = 1400 N/m. How far must the spring be…

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Q: A tow truck pulls a car 6.00 km along a horizontal roadway using a cable having a tension of 820 N.…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Part A A 32.0 kg crate is initially moving with a velocity that has magnitude 4.50 m/s in a…

A: According to work - energy principle  change in kinetic energy = work note that energy is scalar…

Q: D Part (c) Write an equation for the work done in stretching the spring from x1 to x₂. Part (d)…

A: The spring is stretched from x=0 to x1=35 cm=0.35 m with a spring constant k1=660 N/m, then from x1…

Q: Find the net work done on the box as it moves from x = 0 m to x = 8.0 m. . Submit Request Answer…

A: Total work done = force * displacement Total work done = area under force-displacement curve For…

Q: a) Calculate the work done when a 5.0 kg bag of apples is lifted 1.2 off the ground.  b) If this…

A: Mass of bag: m = 5.0 kg Distance lifted: d = 1.2 Time taken forlifting the bag: t = 2.0 s

Q: A truck applies 2000 N force within 2.0 km to pull a car (m = 1000 kg) at a constant speed of 10 km…

A: Given, Force = 2000 N d = 2x103 m mcar =1000 Kg (a) Work done by the truck  W=F×dW=2000×2×103W=4×106…

Q: Part A The two ropes seen in (Figure 1) are used to lower a 255 kg piano exactly 8 m from a…

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Q: Problem 4: A box m 56 kg is being pulled by a constant force F =147 N at an angle of 0 = 42 degrees.…

A: Given:mass of box m=56 kgforce F = 147 Nat angle θ = 42oinitial speed of box u = 0 m/s

Q: Part A What minimum horsepower must a motor have to be able to drag a 380 kg box along a level floor…

A: Given : Mass of a box (m) = 380 kg Speed (v) = 1.15 m/s Coefficient of friction (u) = 0.40

Q: Part A A typical muscle fiber is 2.0 cm long and has a cross-section area of 3.1 x 10-9 m2. When the…

A: Given Lenth of muscle fiber ( Li )=2.0 cm Area of crossection ( A )= 3.1×10-9Force ( F ) = 1.1 mN =…

Q: How much work does an elevator motor do to lift a 1400 kg elevator a height of 100 m ? Express your…

A: Given, mass=1400 kg height=100 m time =58 sec workdone=mgh

Q: Part A Suppose a box of mass m is being pulled across the ground with a horizontal force Fll = Az?,…

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