A body of mass 2 kg is initially at rest on a horizontal frictionless plane. It is then pulled 4 meters by a horizontal force of magnitude 25N. Use the work-energy relation to find its final speed.

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A: When a force is applied to a body then the body is in motion and it moves in the direction of…

Q: In the figure, a horizontal force Fa of magnitude 20.0 N is applied to a 3.17 kg book as the book…

A: We know that work done is equal to  W=Fdcosθ......(1) Work done = change in kinetic energy

Q: Current Attempt in Progress In the figure, a horizontal force of magnitude 22.0 N is applied to a…

A: Draw the free-body diagram of the book.

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Q: If a 50 kg object initially at rest is displaced 25 m by a constant net force of 600 N in the…

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Q: A 2.50 kg box is pulled by a constant force of 16 N that is exerted at an angle 36.9° above the…

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Q: In the figure, a horizontal force  F→a of magnitude 18.0 N is applied to a 2.82 kg book as the book…

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Q: Chapter 07, Problem 047 A machine carries a 7.0 kg package from an initial position of d; = (0.7 m)…

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Q: In the figure, a horizontal force  F→a of magnitude 18.0 N is applied to a 2.98 kg book as the book…

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Q: A- A 0.750 x 10**3 kg elevator car carries a maximum load of 7.500 x 10**2 kg. A constant frictional…

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Q: 1. A block of mass m 2.50 kg is pushed a distance d= 2.20 m along a frictionless, horizontal table…

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Q: A cart holds a mass of 5.75kg from an initial position of di=(0.1m)i^+(0.2m)j^+(0.3m)k^ at t=2 sec…

A: Work w= 18 joules Power = 2.25 watt

Q: Bruce Springsteen is leaving the United States.  He applies a constant force of 20 N to his suitcase…

A: Given: The applied force is 20 N 25o above the horizontal. The mass of the suitcase is 8 kg. The…

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A: Given: The initial velocity is 5.00 m/s. The coefficient of kinetic friction is 0.220.

Q: Which, if any, of the following statements concerning the work done by a conservative force is NOT…

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Q: A force É = (7.10N)i + (4.00 N)ĵ + (5.00 N) k acts on a 1.70 kg mobile object that moves from an…

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Q: The figure here shows an overhead view of three horizontal forces acting on a cargo canister that…

A: We are given the magnitude of all the three forces acting on the canister, F₁= 2.8N F₂= 3.6N F₃= 10N…

Q: For a conservative force Fa potential energy U is defined. The particle moves from a point A, where…

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Q: The net work exerted on a box filled with fresh berry during its motion from a point O to a point A…

A: Net work exerted or work done, w= 100 J Combined mass of box  and fruits, m=10 kg Initial speed of…

Q: Figure shows three forces applied to a trunk that moves leftward by 3.00 m over a frictionless…

A: Distance moved by the box is d = 3 m Magnitude of force 1 is F1 = 7.00 lb Magnitude of force 2 is F2…

Q: A skier of mass 61 kg is pulled up a slope by a motor-driven cable. (a) How much work is required…

A: (a)   The work required to pull the skier on the slope can be determined as follows. W=Fsloped=61…

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Q: A box of mass m = 2 kg is kicked on a rough horizontal plane with an initial velocity v_0. If the…

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Q: Q.3. A 50.00-kg skier is at the top of a 100-m high slope. (a) Using conservation of energy…

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A: Given

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Q: The force component along the displacement varies with the magnitude of the displacement, as shown…

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A: (a) The vertical distance travelled by the skier is

Q: A 0.600-kg particle has a speed of 2.00 m/s at point Ⓐ and kinetic energy of 7.50 J at point Ⓑ. What…

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Q: A shopper in a supermarket pushes a trolley with a force of 40N directed at an angle of 35° downward…

A: Given: Force F = 40 N. Angle = 35o Distance ∆x = 30 m To determine: Work done Formula used: W = F ×…

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Q: In the figure, a frictionless roller coaster car of mass m = 818 kg tops the first hill with speed v…

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Q: Force (N) 40 20- Position (m) 4 5 6. -20- What is the work done on the box from y = 0m to 4.0 m?…

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Q: A truck of mass 200 kg starts with an initial velocity of 1.00 m/s and travels in a straight line…

A: Mass of a truck,

Q: Chapter 07, Problem 015 GO The figure shows three forces applied to a trunk that moves leftward by…

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Q: The graph shows the x component of a force that acts on an object that moves on the x axis. The…

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Q: The figure shows a plot of potential energy U versus position x of a 0.260 kg particle that can…

A: Since we are entitled to answer up to 3 sub-parts, we’ll answer the first 3 as you have not…

Q: a man pushing a crate of mass m=92kg at a speed of v=0.850m/s encounters a rough horizontal surface…

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Q: The figure here shows an overhead view of three horizontal forces acting on a cargo canister that…

A: This question is based on work done due to constant force.