A 18 g plastic ball is moving to the left at 27 m/s . How much work must be done on the ball to cause it to move to the right at 27 m/s ?   Express your answer using two significant figures.

Q: A 55 g particle is moving to the left at 22 m/s . How much net work must be done on the particle to…

A: According to the work-energy theorem, the work done will be equal to the change in kinetic energy of…

Q: The figure shows the work done on an object traveling along different paths between 3 different…

A: Given: The work done from path B to A is 30 J. The work done along paths B to C is -10 J. The forces…

Q: An object with a mass of 12.1 kg slides on a frictionless surface at 1.48 m/s. How much work must be…

A: Recall work-kinetic energy theorem. W=change in KE

Q: The object in the figure below undergoes a displacement of 2.00 m. The work done by the F=10.0 N…

A: Given that F = 10 N Displacement ∆x→ = 2 m x^ Angle with X-axis θ = 60°

Q: The kinetic energy of a car is 8 x 10° J as it travels down the road. How much work is required to…

A: Initial kinetic energy of the car, Ei=8×106J

Q: In the plot shown of force vs. distance, approximately how much work is done in moving an object…

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Q: A 1000 kg car moves with a speed of 20 m/s. Suddenly the driver speeds up to 25 m/s, what is the…

A: According to the work-energy theorem, the work done on the car must be equal to the change in…

Q: A man pushes a block of mass M along a frictionles ramp at constant speed to a heighth as shown in…

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Q: A single force acts on a 0.99 kg particle-like object in such a way that the position of the object…

A: Givenx=3.7 t-1.6 t2+4.9 t3Mass of particle ,m=0.99 kg

Q: It takes you 1.5 s to push a 28 kg box by 4.4 m across a horizontal floor with a constant force of…

A: The time taken to push the block, t = 1.5 s The mass of the block, m = 28 kg The displacement of the…

Q: An accelerating object of mass m=2 kg is fired with an initial speed v=8 m/s at a starting point. If…

A: Given data: Mass m =2 kg Velocity v=8 m/s2. Final Kinetic energy =268 J

Q: Two blocks of masses M = 2 kg and 3 kg are connected by a very light string passing over a massless…

A: The work done by the gravity can be determined as, Here, Fg, d and θ represent the force due to…

Q: A 1000 kg car moves with a speed of 20 m/s. Suddenly the driver speeds up to 30 m/s, what is the…

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Q: Q40. Calculate the work done in moving a body of mass 50 kg through a height of 5 m. (g = 10mis) 250…

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Q: 1.16 kg block slides down a 15.0 m long 35.0° incline at constant velocity. How much work is done by…

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Q: You pick up a 1 N box 1.5 m upwards and walk with it 10 meters across the room, after which you…

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Q: Figure shows a girl pulling a wagon with a force of 50 pounds.How much work is done in moving the…

A: Force applied (F) = 50 N Distance moved (d) = 100 feet = 30.48 m Angle between Force and direction…

Q: The three ropes shown in the bird's-eye view of the figure are used to drag a crate 2.9 m across the…

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Q: 16. A force F = (3i – 5+ 2k)N acts on a particle giving it a displacement of(3i + 4k)m. The work…

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Q: How much work is done by a 500 N rightward force that acts on a boat as it moves 30 m to the left? *…

A: Applied force (F) = 500 N ( in rightwards direction) distance moved (d) = 30 m ( to the left)

Q: A car (m=1000 kg) is initially moving at a speed of 20 m/s (~45 mph) when the driver hits the brakes…

A: Work done is equal to change in kinetic energy W=∆EK=12mvf2-vi2=121000 kg0-20 ms2=-200000 J=-200 kJ

Q: 0.170 kg hockey puck was sliding across the ice at 1.5 m/s. Estrella pushed the puck in the same…

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Q: A force F = bx3 acts in the x direction, where the value of b is 3.7 N/m3. How much work is done by…

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Q: 1) A 300 N force is applied to a box in the direction XY in order to move it up a ramp of the…

A: Work done = force x distance

Q: A car of mass 500kg is moving at 10m/s. The engine does work on the car and the speed increases to…

A: SOlution: given that m = 500 kg v1 =10 m/s v2 = 16 m/s

Q: 3) In the plot shown of force vs. distance, approximately how much work is done in moving an object…

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Q: A 100-g ball is falling through syrup in a glass at a speed of 1.0 cm/s. How much work is done by…

A: Given data- mass of ball m=100 g= 0.100 kg speed V=1 cm/s =0.01 m/s height from ball falls h=10 cm…

Q: A force acts on an object, causing it to move parallel to the force. The graph in the figure shows…

A: Here,  The graph in the figure shows a force as a function of the position of an object. We have to…

Q: A boy pushes on a parked car with a force of 200N. The car doesn’t move. How much work does the boy…

A: The work done by a force can be defined as the product of the displacement of the particle and the…

Q: A pitcher throws a baseball with mass 0.2 kg straight upward with an initial speed of 20.0 m/s. (a

A: According to question:Mass of baseball=0.2 kg=mInitial speed of ball=20 m/s=uHeight raised by…

Q: A student carries a bag weighing 5 kg from the ground floor to his class on the first floor that is…

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Q: dog picks up a 20 kg bone 0.40 m. carries it 30 m down the hall, and sets it back down 0.40 m to the…

A: Mass of bone = 20 kg  Initial vertical displacement = 0.4 m  Horizontal displacement = 30 m  Final…

Q: Dr. B is bouncing a 0.245 kg playground ball in his office one day. He drops the ball from a height…

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Q: The force acting on a particle varies as in the figure below. (The x axis is marked in increments of…

A: Work done is the area under the force verse distance graph.A.  Work done by the force as the…

Q: Ex(N) 80 50 25 X(m) 10 25 40 50 58 1) Work by a force, drawn on a graph, determine: a) The total…

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Q: A roller coaster of mass 800 kg is moving with a speed of 20.0 m/s at position A. At position C, the…

A: Given: The mass of the roller coaster is 800 kg. The final velocity of the roller coaster is 27 m/s.…

Q: A bodybuilder lifted a 1000 N weight 20 cm above his head as shown in the figure below. The athlete…

A: Given, weight, mg = 1000 Ndistance above his head, h = 20 cmheight of the bodybuilder, L =180 cmg =…

Q: Achok lifts a 12.5 kg rock and places it above a 2.40 m shelf. How much work does Achok do? O 294.3…

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

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Q: A force moves an object in the direction of the force. The graph in the figure shows the force…

A: force versus displacement graph is given for object in motion . the force is plotted along y axis…

Q: The two ropes shown in the bird’s-eye view  are used to drag a crate exactly 3 m across the floor.…

A: distance, d = 3 m

Q: Two blocks of masses M = 2 kg and 3 kg are connected by a very light string passing over a massless…

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Q: A particle moves 5 m in the +x direction while being acted upon by a constant force F = 2i + 5j - k…

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Q: 2 m/s 4 m/s F A B.

A: The net work done on the block will from point A to B will be given by the difference in kinetic…

Q: A box of mass 10 kg initially was at rest on a frictionless horizontal table. After applying a force…

A: Given that, The mass of a box, m = 10 kg The initial speed of the box, u = 0 (at rest) After…

Q: A 80 g particle is moving to the left at 29 m/s. How much net work must be done on the particle to…

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Q: An object moving along the x axis is acted upon by a force F, that varies with position as shown.…

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