You have a spring with a spring constant 3240 N/m. ou want to store 255 J of energy in this spring, should you compress it or stretch it? oice : stretch it. a be done.

Q: Given the potential energy diagram on the right, which point is a point of unstable equilibrium?…

A: Unstable equilibrium

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: Situation 1 Kenneth and Lance are twin brothers with exactly the same physical attributes including…

A: When we climb some height we need to do work against the gravitational force.

Q: Part A What is the change in mechanical energy of the airplane if it climbs to a cruising altitude…

A: Given Mass of the airplane = 1865 kg Velocity of the plane = 94.5 m/s Height of the plane =  2520 m…

Q: Part A A system loses 680 J of potential energy. In the process, it does 450 J of work on the…

A: Given: loss in potential energy = 680 J work done on environment = 450 J increase in thermal energy…

Q: Problem: An applied force of 20 N accelerates a block across a level, frictionless surface from rest…

A:

Q: Constants | Periodic Table Suppose you lift a suitcase from the floor to a table. The work you do on…

A: Suit case has been lifted from the floor to the table

Q: A 75 kgkg student walks up three flights of stairs, a vertical height of about 50 ftft.     Part A…

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Q: The elastic energy stored in your tendons can contribute up to 35% of your energy needs when…

A: NOTE: both parts are same.Concept of elastic potFential energy in springs:The elastic potential…

Q: Which of the following most accurately describes the block-track system? Choose 1 answer: A B D The…

A: Solution: The potential of the system at A converts to kinetic energy of the system when block…

Q: Problem 4: A box m = 67 kg is being pulled by a constant force F = 178 N at an angle of 0 = 28…

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Q: PROBLEM SET # 9: WORK DONE BY A CONSTANT FORCE On the space provided, present correct and organized…

A:

Q: work done by this force.

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Q: 17. [1pt] ** The curve in the energy diagram shows the potential energy, U(x), of a particle as a…

A: As we know that slope of energy and distance graph gives force applied on body  ∂U/∂x = - F

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

A: Given  Initial velocity, U = 5.0 m/s  Final velocity, V = reduced by 40% of U

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: (Figure 1) shows your 1.5 kg laptop computer being dragged up a 25° slope at steady speed by a rope…

A: The objective of the question is to define the system for a problem involving thermal energy and to…

Q: 4) A roller coaster of mass 80.0 kg is moving with a speed of 20.0 m/s at position A as shown in the…

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Q: Chapter 08, Problem 024 2 Your answer is partially correct. Try again. A block of mass m = 1.10 kg…

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Q: Part A How should you define the system for a problem involving thermal energy? Select everything…

A: The laptop and the surface define the system for  a problem involving the thermal energy.

Q: Please choose all that are correct Select one or more: a. a ball thrown straight up in the air has…

A: Concept: Some of the Concepts used in the Questions are, Any projectile's instantaneous speed at its…

Q: Tobiem 10.40 A cable with 17.0 N of tension pulls straight up on a 1.50 kg block that is initially…

A:

Q: Sam, whose mass is 70 kg, straps on his skis and starts down a 64 m -high, 20° frictionless slope. A…

A: Potential energy=mass*acceleration due to gravity*height Kinetic energy= (mass*speed^2)/2

Q: Part A The lowest point in Death Valley is 85 m below sea level. The summit of nearby Mt. Whitney…

A: If the height of an object with mass 'm' is changed by 'h', then the change in the gravitational…

Q: Constants A0.143 kg baseball leaves a pitcher's hand at a speed of 32.0 m/s. Part A If air drag is…

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Q: Susan's 13.0 kg baby brother Paul sits on a m Susan pulls the mat across the floor using a ra that…

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Q: 14.0 kg package in a mail-sorting room slides 3.00 m down a chute that is inclined at 55∘ below the…

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Q: Directions: Fill out everything for each problem. Write neatly! 1) A unicorn suddenly ran through…

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Q: An applied force of 20 N accelerates a block across a level, frictionless surface from rest to a…

A: Appled force is Initially object is at rest, that is, Final velocity is Time is Note:Find:Work done…

Q: Hooke's law describes an ideal spring. Many real springs are better described by the restoring force…

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Q: You are unloading a refrigerator from a delivery van. The ramp on the van is 5.0 m long, and its top…

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Q: Part B What is the car's speed after coasting down the other side? Express your answer with the…

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Q: not accept any assignments via email after the due Problem: An applied force of 20 N accelerates a…

A:

Q: Three different objects, all with different masses, are initially at rest at the bottom of a set of…

A: height of each step = d m1 = 4.6 m m2 = 1.71 m m3 = m

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

A: Given that:- Both blocks travelling with constant speed.

Q: A. If a roller coaster has a total of 6632 Joules of energy at the top of a hill, then at the bottom…

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

Q: Problem 4: A box m = 67 kg is being pulled by a constant force F = 178 N at an angle of 0 = 28…

A:

Q: Problem 7: A crate of mass m is initially at rest at the highest point of an inclined plane, which…

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Q: A small block of mass 246 g starts at rest at A, slides to B where its speed is vg = 5.4 m/s, then…

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Q: SITUATION 5: The mass of you riding a bicycle is equal to 80kg. When you reach the base of a bridge,…

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Q: How much work does gravity do on the gymnast as she moves 30 cm upward? Express your answer with the…

A: Given: mass of gymnast m = 45 kgspring constant K = 15,000 N/mcompression in spring x = 30 cm = 0.30…

Q: A force of 570 N keeps a certain ideal spring stretched a distance of 0.900 m. Part A What is the…

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Q: None

A: Step 1:Step 2:Step 3:

Q: I need help with this question

A: Additional work require to done  is equal to change in potential energy i.e Work (W) =PE(final)…

Q: please help me DOUBLE AND TRIPLE CHECK YOUR ANSWERS.

A:

Q: A child pulls a sled with constant speed

A: Given: The angle of inclination is θ=30° The distance covered by the sled is d=100 m The coefficient…