A child throws a ball, which hits a vertical wall at a height of 1.3m above the ball’s release point. The speed of the ball at impact is 10.2m/s. What was the initial speed of the ball?  How much work was done raising the ball up those 1.2m? Was any work done in the horizontal direction? Please explain your answer. [

Q: A conservative force of magnitude 12.5 N is acting on a 1.5 kg body. The particle starts moving…

A: Mass of the body is, m=1.5 kg.  Force= 12.5 Nlength of path A to B is 12.8 mThe length of path B to…

Q: Can I have an answer for this one, please?

A: Given values:- Distance,(d)=8 m -----(1) Work done,(W)=301 J ----(2) Suppose (F) force is exerted by…

Q: A 169.5 lb hiker is able to ascend a 1,980.0 ft high slope in 1 hour and 45 minutes. (a) How much…

A: Given : F = 169.5 lb d = 1980 ft t = 1 hour 45 minutes = 6300 seconds

Q: An object undergoes a displacement Ar =5i+2j. During the displacement, a constant force F = 3i -1j…

A: The work done by the force is given by  W= F→ . r→ where, F is the force and r is the displacement…

Q: How much work does an elevator motor do raising a mass of 1176 kg vertically 15.3 m? I solved this…

A: To raise the mass the elevator motor must work against gravity. From conservation of energy the work…

Q: A 1500kg car can accelerate from 0 m/s to 3 m/s in 30s. What is the work done to the car (in Nm)?…

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Q: A dockworker pushes a box along a horizontal floor and moves a distance of 4.6 m with a force F…

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Q: The force acting on a particle varies as shown in the figure below. (The x axis in the graph has its…

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Q: A girl with a heavy backpack wants to climb to the top of a hill. The path straight up the hill is…

A: Write the expression of work-done during climbing to the hill. W=F·s Here, F is force and s is…

Q: A crane lifts a 395-kg steel beam vertically a distance of 41.4 m. How much work does the crane do…

A: Given: The mass of the beam is 395 kg. The vertical displacement of the beam is 41.4 m. The…

Q: A 2.5 kg crate sliding along the floor has an initial velocity of 2.1 m/s in the +x direction.…

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Q: A cord is used to vertically lower an initially stationary block of mass M = 20 kg at a constant…

A: mass, m  = 20 kg  downward acceleration, a = g/4  distance, d = 1.5 m

Q: thou a displa Is pusned norizontal Newtons. Non-conservative forces (friction) remove 14 Joule stem.…

A: Given values:- Displacement,(d)=3 m -----(1) Force,(F)=89 N -----(2) Non-conservative forces work…

Q: A 2.5 kg crate sliding along the floor has an initial velocity of 2.1 m/s in the +x direction.…

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Q: speed at x = -4.5 m is v = 22.C

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Q: A box is pushed horizontally though a displacement of 4.4 metres by a force of 61 Newtons.…

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Q: The following information applies to the next two questions (questions 25 and 26). A particle of…

A: Force is a physical quantity that can cause an object with mass to change its state of motion or…

Q: A crane (il) lifts a plate of blocks at a construction site in Khor Bamba ( ) in 3 stages using a…

A: m=Mass of plate=4.4 Ton=4.4×103 kgg=Acceleration due to gravity=9.8 m/s2h=Height to which the plate…

Q: A bead of mass m = 5.90 kg is released from point A and slides on the frictionless track as shown in…

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Q: 100 feet and weighing A chain, with length h 3 pounds per foot, hangs over the side of a building.…

A: Given:  Total length of the chain = 100 ft Weight of the chain = 3 pound per feet

Q: A crane pulls up a car weighing 500kg to a vertical height of 4m. Calculate the work done by the…

A: Work is Calculated by:   Work = Force x Displacement   Work = mgH           ......(1)     ( Here H…

Q: B) 3.20 m 9.00 m

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Q: The 10 kg block is subject to the action of a force that has the indicated constant direction and a…

A: This question can be easily solved by applying the basic concept of friction and energy…

Q: The engine of a Honda Civic has a power of 1.32 x 105 W (176.88 hp).   a) How much work does this…

A: Power is defined as the energy transferred per unit time. Since this energy is consumed in work…

Q: Joe  moves a desk 5.00 m across a level floor by pushing on it with a constant horizontal force of…

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Q: If a man lifts a 20.0‐kg bucket from a well and does 6.00 kJ of work, how deep is the well? Assume…

A: Mass of bucket (m) = 20.0 kg Work done ( W ) = 6.00 kJ

Q: A lift to raise a crate to height of 10.0 m is used. [1hp= 746 W] Explain how much work in N m is…

A: The work done by a system is obtained by taking the scaler product of the force and…

Q: A body of mass 9.0 kg initially at rest is moved by a horizontal force of 27 N on a frictionless…

A: SOlution: Given that m = 9 kg F = 27 N t = 4 s find the work done

Q: A mountain climber is about to haul up a 90-m length of hanging rope. How much work will it take if…

A: Given: The length of the hanging rope is 90 m. The weight of the rope is 0.65 N/m.

Q: Procopio is diving a car (m= 1000 kg) at v= 11.11 mis when he stepped on the brakes. The car…

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Q: After being pushed (no matter what force) an object with mass 100 kg covers a distance of 15 m…

A: Given data *The mass of an object is m = 100 kg *The given distance is s = 15 m *The given…

Q: How much work was done by friction as the block slid from point A to point B? Express your answer in…

A: Mass of block = 0.33 kg  Vertical distance moved by block = 2.41 m  Speed at B ,Vb = 5.8 m/s

Q: 5.1. A 5.0 kg weight falls past a window that is 1.5 m in vertical length. (a) How much work does…

A: Mass of weight,                   Height of window,

Q: A force of 12.0 N acts on a 4.6 kg object through a parallel distance of 1.6 m. How much work is…

A: Force  F=12.0 N mass of object  m=4.6 kg  The parallel distanace= d=1.6 m     Amount of work done on…

Q: A crane slowly lifts a 263 - kg crate a vertical distance of H = 13.0 m. mg F crane crane H (a) How…

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Q: Please include formulas and show all work thanks

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Q: A 1080 kg car accelerates at a rate of 2.1 m/s/s over a distance of 18 meters. How much work was…

A: Given, mass of the car, m = 1080 kg acceleration of the car, a = 2.1 m/s2 distance traveled, d = 18…

Q: 1.A force of Si + j+ 2k N displaced a body from a position of i+j+km to 2i+4j+ 6k m. How much work…

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

Q: A spring and block are in the arrangement of the figure. When the block is pulled out to x = +5.0…

A: Given that For Stretch length x = + 5 cm, applied force F = 360 N Full stretch of spring is = 12 cm…

Q: A block of mass ?=0.350kg is released from rest, from a curved ramp of height h= 42.0 cm (point A in…

A: