No Friction No Air resistance At Rest

Q: 3. A 5 kg block is initially at rest on a horizontal frictionless surface. Two forces, F = (4 – x2)i…

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Q: 0. Suppose the ski patrol lowers a rescue sled and victim, having a total mass of 90.0 kg, down a…

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Q: Juleon apply a constant force F= - 68 i + 36N j to | a 380 kg car as the car travels 48.0 m in a…

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Q: . Review the concept of work. Suppose an object is under the action of a constant force. Make…

A: Have a look  I have uploaded the solution in step 2 and 3

Q: The above graph shows the potential energy U(x) of a particle as a function of its position x. The…

A: In this question graph between energy and Distance. We need to find bar charts

Q: A youngster rides on a skateboard with a speed of 2m/s. After a force acts on the youngster, her…

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Q: Is this because the other equation for work is W=FsW=Fs, where W is the work, F is the force, and s…

A: In physics, work has totally different meaning. Here, work is said to be done when there is force…

Q: A shopping cart moves on a level surface with decreasing speed. Which of the follov correctly shows…

A: The formula for kinetic energy for an object of mass M & speed v is Ek=12Mv2        ...(1) If…

Q: The SI unit of work is

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Q: A 4.55 kg block moves in a straight line on a horizontal frictionless surface under the influence of…

A: Give the mass of the block m=4.55kg and F1=10.0Nand x1=56.0m So force is linear and the work done by…

Q: How much work, in joules, must you do to lift an elephant weighing60 000 N up 1.5 m onto the back of…

A: The objective of this question is to calculate the amount of work done in lifting an elephant onto…

Q: You throw an 18.0 N rock into the air from ground level and observe that, when it is 11.0 m high, it…

A: Given  weight of the rock=mg=18 N m=18/9.8=1.84 kg speed at height (h=11 m) is 18 m/s

Q: When released, a 120-g block slides down the path shown below, reaching the bottom with a speed of 4…

A: Solution:-

Q: A 2.0 kg block slides down a rough curved track. The block has a speed of 5.0 m/s after its height…

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Q: Q6) A snowball starts sliding down from the top of a hemispherical surface as shown in the figure…

A: We will first write an expression for work done by a force in displacing an object. We then…

Q: Dot. What is the scalar product ÷ Bifà = x₁ + yĵ and B = yî − xj? A. 2xy B. x² - y² o c. ryi-yry O…

A: Given data:  Two vectors A = x i + y j and B = y i - x j Required: The scalar product of vector A…

Q: Physics A 1.65 kg book is sliding along a rough horizontal surface. At point A it is moving at 3.22…

A: Because the velocity decreased, work was done to slow down the book. the work is equal to slow down…

Q: The force, F, required to compress a spring by a distance a meters is given by F = 7x newtons. Which…

A: The work done can be given by W=∫abFxdx

Q: Several physical situations are described below. For each situation, simplify the work-energy…

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Q: QUESTION 2 Juan, Jose, and Jokoy are pushing a table with a constant 495 N force. Juan is pushing…

A: Draw the free-body diagram of the table as shown below.

Q: 50 - meter rope with a mass of 30 kg is dangling over the edge of a cliff. Ignoring friction, how…

A: Mass (m) = 30 kgLength of rope (L) = 50 m

Q: A floating ice block is pushed through a displacement á = (27.0 m )î – (22.0 : j along a straight…

A: Given data:  Displacement d→ = 27.0mi^ -22.0mj^ Force F→ = 178Ni^ -152Nj^ Required: Work done

Q: A coin starts from rest and slides down an incline. It then slides horizontally on the table until…

A: Initially, when the coin is at rest on the incline, total energy is equal to the potential energy.…

Q: Part A You pick up a 2.5 kg can of paint from the ground and lift it to a height of 1.3 mi How much…

A: The 2.5 kg can of paint has a weight given as F=mgF=2.5×9.8F=24.5 N This weight of the can is the…

Q: worker applies a force of 190 N, directed 22° below the horizontal. As the crate moves 3.3 m, How…

A: Given :-  F = 190 N  S = 3.3 m m = 52 kg  directed 22° below the horizontal

Q: Direction: Analyze the given graphs below. You will not solve this, you need to explain the work…

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Q: You push your physics book 1.5 m across a horizontal table surface with a horizontal push of 2.4 N…

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Q: Part A How much work does an elevator motor do to lift a 1300 kg elevator a height of 200 m ?…

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Q: 1. Draw a situation where a force is doing zero work. Explain why the force is doing no work,…

A: To explain a situation where work done by a force is zero.

Q: Below are SIX images. Each image shows a force and the displacement that happens while the force is…

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Q: The (non-conservative) force propelling a 1.50 x 10³-kg car up a mountain road does 8.80 x 106 J of…

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Q: The following are multiple choice questions. No explanations required. Choose the correct answer…

A: (d). We know work done by a body is defined by the formw=F.dwhere F is the force applied on the body…

Q: Why does the force of gravity do work on a car that rolls down a hill but no work when the same car…

A: We know the expression for work is W= F.scosθ    The force of gravity do work on a car that rolls…

Q: A 1kg block that is being pushed across a frictionless surface by a non-constant force that is…

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Q: Greetings and thank you for your help   2. Give an example of a situation in which there is a force…

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Q: The force, F, required to compress a spring by a distance x meters is given by F = 3x newtons. ||…

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Q: A 630-kg car speeds up from rest to 43 mph in 3.2 seconds. What is the work done on the car and what…

A: (a) Work done is equal to change in kinetic energy W1=Ekf-Eki=12mvf2-vi2=12630 kg19.2 ms2-0…

Q: A force given by F a/x acts in the x direction, where a = 8,5 N/m/2

A: Given : Force = a (x) 1/2 acts in x direction a = 8.5 N/m1/2 We have to calculate the work done by…

Q: A force, varying with distance as shown in the graph below, acts on a 5.5 kg object. When is most…

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Q: Early one October, you go to a pumpkin patch to select your Halloween pumpkin. You lift the 3.4 kg…

A: Given Mass is m= 3.4 kg Acceleration due to gravity is g=9.80 m/s2 Height is h= 1.4 m A) The work…

Q: A force F(x) = bx³ acts on a potato as it moves along the x-axis from the origin to 4.1 m. How much…

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Q: Alex and John are loading identical cabinets onto a truck. Alex lifts his cabinet straight up from…

A: Correct Answer : John does more work than Alex.

Q: Several physical situations are described below. For each situation, simplify the work-energy…

A: In the given, ball starts from rest. So, its initial kinetic energy is zero. Hence, There is no…

Q: A force acts on a particle that moves along the X axis and varies with position according to the…

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